The Idaho Department of Fish and Wildlife Service id breaking out its herd of fake animals simulated specimens of deer, elk and other game species to use in areas where they've gotten complaints including car hunting or spotlighting.
Such activities are against the law and hunters who are caught face license revocation, a $1,000 fine and up to six months in jail.
There's also $50 minimum restitution penalty for shooting a decoy to help maintain them.
Idaho is among 48 states that use the artificial animals to catch illegal hunters.
Officials say this method of catching people breaking hunting laws has been upheld by the courts as legal.