PETA

Undercover investigation & campaignsFounded 1980 · Norfolk, Virginia

Overview

People for the Ethical Treatment of Animals (PETA) is the largest animal rights organization in the world, with more than 9 million supporters globally. Founded in 1980 by Ingrid Newkirk and Alex Pacheco, PETA operates across animal rights issues including animal testing, factory farming, entertainment, and clothing. The organization is known for aggressive public campaigns, undercover investigations, and a willingness to use provocative tactics to generate media attention.

PETA's investigation unit conducts undercover work inside laboratories, breeding facilities, and farms — producing documentation that has triggered federal and state enforcement actions. The organization also operates a significant lobbying and legal advocacy program.

Beagle-Specific Work

Key Finding

PETA has conducted undercover investigations at multiple beagle breeding and testing facilities — including the 2021 Envigo investigation that helped trigger the largest AWA enforcement action in history, and investigations at Marshall BioResources and Liberty Research.

Envigo Investigation (2021)

PETA's undercover investigation at the Envigo/Inotiv facility in Cumberland, Virginia corroborated and expanded on USDA inspection findings. The investigation documented conditions that contributed to public outrage and Congressional pressure, helping trigger the DOJ civil complaint, $35M fine, and rescue of 4,000 beagles.

Full Envigo facility profile →

Marshall BioResources Investigations

PETA has investigated and published reports on Marshall BioResources — the world's largest beagle breeder. Whistleblower documentation has revealed conditions inside the North Rose, New York facility including barren kennels, mortality, and the scale of confinement (~23,000 dogs). PETA has also investigated Liberty Research, identified as a Marshall-linked facility.

Full Marshall facility profile →

Public Campaigns

PETA runs ongoing public campaigns highlighting beagle use in testing, targeting pharmaceutical companies and CROs that use beagles. The organization uses its media reach to amplify investigation findings and maintain public pressure for enforcement and legislative reform.

Broader Scope

Animal testing is one of PETA's four primary focus areas (alongside factory farming, animals in entertainment, and animals in clothing). Within the testing portfolio, beagles receive disproportionate attention because of their emotional resonance with the public — but PETA also campaigns against the use of primates, rabbits, mice, and other species. The organization's Science, Policy and Education department also funds and promotes alternatives to animal testing.