In 2008, an undercover investigator working for the Humane Society of the United States spent several weeks employed at the Hallmark/Westland Slaughter Company in Chino, California. The investigator documented workers using forklifts to push downed cattle, animals too sick or injured to stand, toward the kill floor. The footage showed workers kicking, shocking, and dragging animals that could not walk. Some of the cattle in the footage were dairy cows that had been used for school lunch programs.
The resulting federal investigation led to the largest meat recall in United States history: 143 million pounds of beef.1 Two plant managers were criminally convicted. The USDA tightened its regulations on the slaughter of non-ambulatory cattle. The plant closed permanently.
None of this would have happened without the video. The conditions documented at Hallmark/Westland were not the result of a single bad day or a rogue employee. They were systemic practices that had persisted because no one with the authority or inclination to intervene had seen them. The investigator’s camera was the mechanism of accountability. It made the invisible visible, and the visibility produced consequences.
The agricultural industry drew a lesson from Hallmark/Westland, but not the lesson one might expect. The lesson was not that facilities should be monitored more carefully to prevent abuses. The lesson was that the investigations themselves were the problem. Within a few years, a coordinated legislative effort was underway to make the kind of investigation that exposed Hallmark/Westland a criminal offense.
These laws are known as “ag-gag” laws, and they represent one of the more remarkable arrangements in American regulatory life: an industry that receives hundreds of billions of dollars in public support has secured legislation making it illegal for the public to see what that support funds.
The legislative architecture
Ag-gag laws take several forms, but they share a common function: criminalizing or penalizing the act of documenting conditions inside agricultural facilities without the facility owner’s consent.
The first generation of these laws, passed in Kansas, Montana, and North Dakota in the 1990s, were relatively straightforward. They made it a crime to take photographs or video inside an agricultural facility without the owner’s permission.2 These early laws attracted little public attention and were rarely enforced.
The second generation emerged in the early 2010s, following a series of high-profile undercover investigations that produced significant public backlash against the agricultural industry. In 2011, the American Legislative Exchange Council, known as ALEC, drafted model legislation that served as a template for ag-gag bills introduced in state legislatures across the country.3 ALEC, a nonprofit that brings together corporate representatives and state legislators to draft model legislation, had agricultural industry members who viewed undercover investigations as an existential threat to their business model.
The ALEC-influenced bills were more sophisticated than their predecessors. They did not simply prohibit recording. They targeted the entire investigative process. Some bills made it a crime to obtain employment at an agricultural facility under false pretenses, meaning that an investigator who applied for a job without disclosing their investigative purpose was committing a criminal act at the moment of application, before they had documented anything at all. Other bills required anyone who recorded evidence of animal abuse to turn it over to law enforcement within 24 to 48 hours, a provision that sounds reasonable on its surface but that effectively prevents the documentation of systemic patterns.4
This last provision is worth examining in detail, because it illustrates the precision with which these laws are designed to protect the industry they claim to regulate.
A single incident of animal abuse at a facility employing hundreds of workers and processing thousands of animals per day could be an anomaly. It could be the action of one individual on one occasion. An investigation that documents a single incident and reports it within 24 hours produces evidence of an isolated event. An investigation that documents the same facility over weeks or months, recording repeated patterns of abuse across multiple workers and multiple shifts, produces evidence of a systemic problem. The 24-to-48-hour mandatory reporting requirement does not prevent the documentation of abuse. It prevents the documentation of patterns. And it is patterns, not isolated incidents, that reveal whether abuse is a systemic feature of an operation’s practices rather than an individual failure.
As of 2025, ag-gag laws are on the books in at least six states: Iowa, Kansas, Montana, North Dakota, Alabama, and Missouri.5 Bills have been introduced in more than twenty additional states. Some have been defeated. Some have been signed into law and subsequently struck down by courts. The legislative effort is ongoing.
The constitutional question
The constitutionality of ag-gag laws has been challenged in multiple federal courts, and the results have been mixed.
The core First Amendment question is whether the act of recording, particularly the recording of matters of public concern, constitutes protected speech. The Supreme Court has not directly ruled on ag-gag laws, but lower courts have increasingly held that the act of creating an audiovisual recording is protected by the First Amendment, particularly when the recording concerns matters of public interest such as food safety, animal welfare, and environmental compliance.
In 2019, the U.S. District Court for the Southern District of Iowa struck down Iowa’s original ag-gag law, finding that it violated the First Amendment by targeting speech based on its content and the speaker’s viewpoint.6 The court noted that the law was specifically designed to suppress a particular type of speech (undercover investigations) by a particular type of speaker (animal welfare advocates) and that this targeting could not survive First Amendment scrutiny.
Iowa responded by passing a new, modified ag-gag law in 2021. That law was also challenged, and in 2023, the same court struck it down on substantially similar grounds.7 Iowa passed a third version in 2024. The cycle of enactment, challenge, and invalidation has now repeated multiple times in a single state, a pattern that suggests the legislature’s interest in restricting documentation outweighs its interest in crafting legislation that can withstand constitutional scrutiny.
The Fourth Circuit Court of Appeals, reviewing a North Carolina ag-gag law, ruled in 2020 that the law’s provisions targeting undercover investigators were unconstitutional.8 The court found that the law impermissibly burdened speech on matters of public concern. But the Eighth Circuit, reviewing Iowa’s law, reached a different conclusion on some provisions, creating a circuit split that may eventually require Supreme Court resolution.9
The circuit split reflects a genuine tension in First Amendment jurisprudence. Agricultural facilities are private property, and property owners have legitimate interests in controlling access to their premises. Employees who misrepresent their identities to obtain employment are engaged in a form of deception. The question is whether the state’s interest in protecting property rights and employment relationships is sufficient to justify laws that specifically target investigative activity directed at documenting matters of public concern.
The courts that have struck down ag-gag laws have generally concluded that it is not, because the laws are not content-neutral. They do not prohibit all unauthorized recording on private property. They specifically target recording directed at agricultural operations. A person who records safety violations at a construction site, or unsanitary conditions at a restaurant, or fraud at a financial institution, does not face the same criminal penalties. The laws single out one industry for protection from a specific form of accountability, and that targeting, the courts have found, is incompatible with the First Amendment’s prohibition on content-based restrictions on speech.
The information the laws suppress
The practical significance of ag-gag laws can be measured by what has been documented in states that lack them and in investigations conducted before the laws took effect.
The Hallmark/Westland investigation is one example. Others include investigations by Mercy For Animals at multiple pork and poultry facilities that documented workers slamming piglets against concrete floors, confining pregnant sows in gestation crates too small for the animals to turn around, and debeaking chickens without anesthesia.10 Animal Outlook (formerly Compassion Over Killing) conducted investigations at dairy operations documenting workers beating cows with metal pipes and dragging downed animals with chains.11 Each of these investigations led to public outcry, regulatory action, corporate policy changes, or criminal prosecutions, and each depended on the ability of investigators to document conditions over a period of time sufficient to establish that the practices were systemic.
The investigations have also produced significant food safety findings. The undercover investigation at a Pilgrim’s Pride poultry plant in West Virginia documented workers throwing, kicking, and stomping on live chickens, practices that, beyond their animal welfare implications, increase the risk of fecal contamination during processing, which in turn increases the risk of Salmonella and Campylobacter transmission to consumers.12 The connection between animal handling practices and food safety is well established in the food science literature. Animals that are stressed or injured before slaughter are more likely to harbor elevated levels of pathogenic bacteria.
These findings matter because the federal inspection system, the system that is supposed to ensure that the food supply is safe and that animal handling regulations are followed, has well-documented limitations. USDA inspectors are present in slaughter facilities, but their numbers relative to line speeds have declined over decades. In poultry plants, line speeds can exceed 140 birds per minute, and a single inspector may be responsible for monitoring thousands of birds per hour.13 Under these conditions, systematic violations of handling and sanitation standards are difficult to detect through the official inspection process alone.
Undercover investigations have historically served as a supplement to the regulatory system, identifying violations that the formal inspection process misses. Ag-gag laws eliminate this supplementary mechanism. They do not replace it with anything. They simply remove a source of information about what is happening inside facilities that produce the nation’s food supply.
The subsidy question
The constitutional and food safety arguments against ag-gag laws are significant on their own terms. But there is an additional dimension that receives less attention and that is, in some respects, more fundamental: the relationship between ag-gag laws and public subsidies.
The American agricultural industry is not a purely private enterprise operating in a free market. It is among the most heavily subsidized sectors of the American economy. Federal agricultural subsidies, including direct payments, crop insurance subsidies, conservation payments, and commodity support programs, totaled approximately $540 billion over the two decades from 2000 to 2020.14 State and local governments provide additional subsidies in the form of tax exemptions, infrastructure support, and regulatory accommodations. The industry’s water usage is subsidized through federal irrigation projects. Its labor costs are kept low by exemptions from overtime and other labor protections that apply to workers in other industries.
The animal agriculture sector specifically benefits from feed grain subsidies that reduce the cost of its primary input. Corn and soybean subsidies, which represent a large share of total agricultural subsidies, flow disproportionately to the production of animal feed. The Environmental Working Group has estimated that between 1995 and 2020, corn subsidies alone exceeded $116 billion.15 The majority of American corn production is used for animal feed and ethanol, not direct human consumption.
The public also bears the externalized costs of industrial animal agriculture: the healthcare costs of antibiotic resistance, the environmental cleanup costs of water pollution from concentrated animal waste, the public health costs of communities located near large-scale facilities. These are not theoretical costs. They are documented, quantified, and ongoing.
The combination of direct subsidies and externalized costs means that the public is paying for the agricultural system twice: once through the tax system and once through the consequences of the system’s operation. Ag-gag laws add a third dimension. They ensure that the public cannot see what it is paying for.
This is the transparency paradox. An industry that depends on public money for its profitability has secured legislation ensuring that the public cannot document or scrutinize the conditions under which that money is spent. The subsidies flow in. The information does not flow out. The laws that restrict the information are defended on the grounds of property rights and privacy, as though an industry receiving hundreds of billions of dollars in public support is a purely private affair.
The argument for transparency in the use of public funds is not novel. It is the foundation of open-records laws, government audit requirements, inspector general offices, and the entire architecture of public accountability that applies to virtually every other sector that receives substantial public funding. Defense contractors are subject to audit. Healthcare providers are subject to inspection. Public schools are subject to oversight. The principle that public money entails public accountability is not controversial in any of these contexts.
Agricultural facilities that receive public subsidies, directly or indirectly, are the exception. The ag-gag laws formalize that exception by making it a criminal act to generate the kind of information that accountability requires.
The industry’s argument
The agricultural industry’s defense of ag-gag laws rests on several claims. The first is that undercover investigations are conducted by organizations with ideological agendas, specifically animal rights organizations, and that the resulting footage is selectively edited to present a misleading picture of industry practices.16
This claim has some factual basis. The organizations that conduct undercover investigations, including the Humane Society of the United States, Mercy For Animals, and Animal Outlook, do have positions on animal agriculture that extend beyond documentation. Some advocate for the elimination of animal agriculture entirely. It is reasonable to assume that these organizations select and present footage in ways that support their broader objectives.
But the claim that footage is misleading is separate from the claim that the underlying conditions should not be documented at all. Selective editing is a criticism of methodology, not a justification for prohibition. The appropriate response to selectively edited footage is to require the release of complete, unedited recordings, or to establish independent monitoring systems that produce their own documentation. The agricultural industry has not pursued either of these alternatives. It has pursued the elimination of documentation altogether.
The second claim is that undercover investigators pose biosecurity risks by entering facilities without proper training or authorization. This claim, too, has some basis. Agricultural facilities, particularly those housing poultry, maintain biosecurity protocols to prevent the introduction of pathogens. An untrained individual entering a facility without following proper biosecurity procedures could introduce disease.
However, undercover investigators typically enter facilities through the normal hiring process, meaning they undergo whatever training and biosecurity protocols the facility requires of its employees. They are, for all practical purposes, employees. The biosecurity argument would apply equally to any new hire, and the solution to biosecurity concerns is more rigorous training and protocols, not the criminalization of documentation.
The third claim is that existing regulatory systems, USDA inspections and state animal cruelty laws, are sufficient to address any legitimate concerns about conditions inside agricultural facilities. This claim is contradicted by the record. The conditions documented in undercover investigations were occurring in facilities subject to existing regulatory oversight. The regulations existed. The inspectors were present, or were supposed to be. The conditions persisted. The undercover investigations documented what the regulatory system failed to prevent or detect.
The worker dimension
The debate over ag-gag laws is typically framed as a conflict between the agricultural industry and animal welfare organizations. This framing is accurate as far as it goes, but it omits a third constituency whose interests are directly affected: the workers inside the facilities.
The American meatpacking and animal processing workforce is disproportionately composed of immigrants, refugees, and workers from low-income communities. The Bureau of Labor Statistics has consistently identified animal slaughtering and processing as one of the most dangerous occupations in the United States, with injury and illness rates significantly above the national average for manufacturing.17 The injuries are specific to the work: repetitive motion injuries from performing the same cutting motion thousands of times per shift, lacerations from knives and saws, musculoskeletal disorders from standing in cold, wet conditions for ten or more hours, and respiratory illness from exposure to ammonia, hydrogen sulfide, and particulate matter.
These conditions are not incidental to the production process. They are consequences of line speeds that have increased steadily over decades as the industry has consolidated and intensified. Poultry line speeds, for example, were capped at 70 birds per minute under USDA regulations for decades. In 2014, the USDA raised the limit to 140 birds per minute for plants participating in a pilot program, and in subsequent years, additional plants were granted waivers to operate at higher speeds.18 Faster line speeds mean more animals processed per worker per hour, which means higher injury rates.
Undercover investigations have documented not only animal welfare violations but also worker safety violations: inadequate protective equipment, pressure to continue working through injuries, lack of bathroom breaks, and retaliation against workers who report injuries or unsafe conditions. The Government Accountability Office has noted that OSHA’s capacity to inspect meatpacking facilities is limited by staffing constraints, and that many facilities go years between inspections.19
Ag-gag laws suppress documentation of these conditions along with documentation of animal welfare violations. The camera that records a worker kicking a downed cow also records the speed of the line, the condition of the equipment, the crowding of the kill floor, and the protective equipment (or lack thereof) worn by workers. By criminalizing the act of recording, ag-gag laws do not merely protect the industry from animal welfare scrutiny. They protect it from labor scrutiny, environmental scrutiny, and food safety scrutiny simultaneously. The information suppressed is not limited to one category of concern. It is comprehensive.
The question the laws are designed to prevent
Ag-gag laws are, at their core, an attempt to prevent a specific question from being asked: What is happening inside the facilities that produce the majority of the American food supply?
The industry’s resistance to that question is understandable in market terms. Public awareness of conditions inside industrial animal agriculture facilities has historically produced consumer backlash, corporate policy changes, and regulatory action. The campaigns that followed undercover investigations at major pork and poultry operations led multiple food companies, including McDonald’s, Walmart, and Costco, to adopt animal welfare standards for their supply chains.20 These standards imposed costs on producers. From the industry’s perspective, the investigations were not a public service. They were a business threat.
But the question of what is happening inside these facilities is not an illegitimate one. It is, in a democratic society that subsidizes the industry in question, an essential one. The public has a direct interest in the safety of its food supply. It has a direct interest in the welfare of animals raised on its behalf. It has a direct interest in the environmental and public health consequences of the production methods used to produce that food. And it has a direct interest in knowing how its tax dollars are being spent.
Ag-gag laws do not answer these questions. They make it a crime to ask them.
The direction from here
The legal trajectory of ag-gag laws appears to favor their eventual invalidation, at least in their current forms. Courts have increasingly recognized that the First Amendment protects the act of recording matters of public concern, and that laws specifically targeting agricultural investigations impose content-based restrictions on speech that cannot survive judicial scrutiny.
But legal invalidation addresses only the statutory mechanism. It does not address the underlying information asymmetry that ag-gag laws were designed to protect. Even in states without ag-gag laws, the practical barriers to documenting conditions inside agricultural facilities are substantial. Investigators must obtain employment, maintain cover for weeks or months, and operate recording equipment covertly in environments designed to prevent outside observation. The facilities are typically located in rural areas with limited media coverage and limited public attention. The workers are often immigrant laborers with limited English proficiency and limited legal protections, making them unlikely to report abuses through official channels.
A more durable solution would address the information problem directly, through mandatory independent monitoring of conditions in facilities that receive public subsidies. This approach is not without precedent. OSHA inspections, FDA food safety inspections, and EPA environmental compliance inspections all operate on the principle that industries whose operations affect public welfare are subject to independent verification. The absence of a comparable system for animal welfare and handling practices in agricultural facilities is a policy choice, not a logistical impossibility.
The transparency paradox will persist as long as the information asymmetry persists. Ag-gag laws are a symptom of that asymmetry, not its cause. The cause is a system in which the production of the nation’s food supply occurs largely outside the view of the public that funds it, consumes it, and bears its consequences.
The resolution does not require ideological agreement about the ethics of animal agriculture. It requires only the application of a principle that is already accepted in every other context in which public money is spent: that the public has a right to know what it is paying for.
Footnotes
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United States Department of Agriculture, Food Safety and Inspection Service, “FSIS Issues Class I Recall of Beef Products,” February 17, 2008. ↩
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Shea, Megan, “Punishing Animal Rights Activists for Animal Abuse: Rapid Reporting and the New Wave of Ag-Gag Laws,” Columbia Journal of Law and Social Problems 48, no. 3 (2015): 337-371. ↩
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Potter, Will, “Ag-Gag Laws: Corporate Attempts to Keep Consumers in the Dark,” Pace Environmental Law Review 31, no. 2 (2014): 648-659; American Legislative Exchange Council, model legislation records. ↩
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Marceau, Justin, “Ag Gag Past, Present, and Future,” Seattle University Law Review 38 (2015): 1317-1344. ↩
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Animal Legal Defense Fund, “Ag-Gag Laws by State,” updated 2025. ↩
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Animal Legal Defense Fund v. Reynolds, 353 F. Supp. 3d 812 (S.D. Iowa 2019). ↩
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Animal Legal Defense Fund v. Reynolds, No. 4:19-cv-00124 (S.D. Iowa 2023). ↩
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People for the Ethical Treatment of Animals v. Stein, 466 F. Supp. 3d 547 (M.D.N.C. 2020), aff’d in part, 737 F. App’x 122 (4th Cir. 2020). ↩
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Animal Legal Defense Fund v. Reynolds, 8th Circuit proceedings, 2022-2024. ↩
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Mercy For Animals, undercover investigation reports, 2009-2023. ↩
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Animal Outlook (formerly Compassion Over Killing), investigation documentation, 2010-2022. ↩
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Mercy For Animals, “Pilgrim’s Pride Investigation,” 2009; subsequent USDA enforcement action. ↩
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Government Accountability Office, “USDA Needs to Strengthen Its Approach to Protecting Against Foodborne Illness,” GAO-18-272 (2018). ↩
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Environmental Working Group, Farm Subsidy Database, 2000-2020; Congressional Research Service, “Farm Bill Spending,” updated 2023. ↩
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Environmental Working Group, “Corn Subsidies in the United States,” Farm Subsidy Database, 1995-2020. ↩
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National Pork Producers Council and other industry group public statements, 2011-2024. ↩
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Bureau of Labor Statistics, “Injuries, Illnesses, and Fatalities in the Animal Slaughtering and Processing Industry,” annual reports, 2018-2024. ↩
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USDA Food Safety and Inspection Service, “Modernization of Poultry Slaughter Inspection,” Final Rule, 79 Fed. Reg. 49566 (August 21, 2014); subsequent waiver grants through 2023. ↩
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Government Accountability Office, “Workplace Safety and Health: Additional Data Needed to Address Continued Hazards in the Meat and Poultry Industry,” GAO-16-337 (2016). ↩
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Shields, Sara, and Orme-Evans, Geoffrey, “The Impacts of Climate Change Mitigation Strategies on Animal Welfare,” Animals 5, no. 2 (2015): 361-394; corporate supply chain policy announcements by McDonald’s Corporation (2012), Walmart Inc. (2015), and Costco Wholesale Corporation (2015). ↩