It is unlawful to publicly or privately consume the flesh of another human being.

The Law Explained

You cannot practice cannibalism in Idaho, which is surprisingly the only U.S. state to explicitly outlaw the act by name. The law was preemptively passed in 1990 amid bizarre rumors of ritualistic cults operating in the region. However, the law does include a grim caveat: cannibalism is permitted if it is the only way to survive extreme life-threatening conditions.