you certainly want to look for how they got in and plug that up, ... but for the ones that are already inside, IMO the old style mouse trap loaded with peanut butter just can't be beat, ... when you catch them with the trap, you know you've got them, when you use poison, you hope you got them, and then hope they don't go off and die inside the trailer, ... be sure some of the pb gets under the little trip lever, so they will have to be more aggressive in trying to get it from under there, ... peanut butter is the trick, ...
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