i have a havahart 1030 live trap for squirrels and rabbits, but i left it outside the other nite and awoke to a possum in the trap in the morning and he pooped a lot and probably peed. well i removed him from the trap and washed off all the poop from the trap and shoveled a layer of dirt the trap was on to make sure theres no more. well ever since then i havent caught a single thing. theres plenty of bait and no squirrels are even going near it. and also if it rained the nite before when do the squirrels usaully come out to eat the following morning. thank you very much. and please only serious answers i do not harm the animals i simply remove them from the property so they stop digging around my lawn looking for food and destroying things.