https://www.courthousenews.com/federal-judge-strikes-down-iowa-ag-gag-law/
“The law has the effect of criminalizing undercover investigations of certain agricultural facilities” including livestock confinements, egg production facilities, slaughterhouses and puppy mills, Gritzner wrote, ruling that it violated the First Amendment.
Iowa’s law was challenged in 2017 in federal court by the Animal Legal Defense Fund, Center for Food Safety, People for the Ethical Treatment of Animals and two Iowa-based groups represented by lead attorney Rita Bettis Austen, legal director of the American Civil Liberties Union of Iowa.