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H.R. 4951: Canyon’s Law

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About the bill

The bill’s supporters say the devices spew cyanide and unhappiness.


14-year-old Canyon Mansfield and his golden lab Kasey were walking in his hometown of Pocatello, Idaho when they came across a strange-looking device on the ground. Canyon went to pick it up, when orange gas emerged and entered his left eye, giving him massive headaches for years to come. Kasey the dog didn’t survive.

M-44 devices are used by the federal government for predator control on public lands. Animals — most frequently coyotes and foxes — step, pull, or bite on the spring-activated device, which releases sodium cyanide and kills the animal within one to five minutes. The devices have earned the nickname “cyanide bombs.”

The Donald Trump administration temporarily ceased their use for a few months in 2019 ...

Sponsor and status

Peter DeFazio

Sponsor. Representative for Oregon's 4th congressional district. Democrat.

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Last Updated: Aug 6, 2021
Length: 4 pages
Aug 6, 2021
117th Congress (2021–2023)

Introduced on Aug 6, 2021

This bill is in the first stage of the legislative process. It was introduced into Congress on August 6, 2021. It will typically be considered by committee next before it is possibly sent on to the House or Senate as a whole.

Other activity may have occurred on another bill with identical or similar provisions.


4 Cosponsors (4 Democrats)

2% chance of being enacted according to Skopos Labs (details)


Aug 6, 2021

Bills and resolutions are referred to committees which debate the bill before possibly sending it on to the whole chamber.

If this bill has further action, the following steps may occur next:
Passed Committee

Passed House

Passed Senate

Signed by the President

H.R. 4951 is a bill in the United States Congress.

A bill must be passed by both the House and Senate in identical form and then be signed by the President to become law.

Bills numbers restart every two years. That means there are other bills with the number H.R. 4951. This is the one from the 117th Congress.

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