Canyon's Law would ban the use of M-44 devices—spring-loaded traps that dispense sodium cyanide powder—on all federal public lands managed by agencies including the National Park Service, Forest Service, and Bureau of Land Management. The bill targets these devices because sodium cyanide is classified as the EPA's most hazardous toxin, and the traps have a poor track record: they kill intended targets only 53 percent of the time while harming numerous nontarget animals including endangered species, family pets, and people. The legislation cites multiple incidents of human poisoning, including children exposed in Idaho and Wyoming, and documented deaths of more than 50 family dogs since 1990. Agencies currently using M-44 devices would have 30 days from the bill's enactment to remove all existing traps from public land. The bill was introduced in June 2025 by a bipartisan group of senators and referred to the Senate Committee on Environment and Public Works.
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