Hi there,if you have a squirrel,you need a big rat trap,a mouse trap is a joke to them,or you can rent a small animal box trap,they are good,you can catch and release if you want,a squirrel is a real pest,they can do a lot of damage in no time at all.i had some here at my place,i live in the country,mine had a case of lead poisoning,12 guage that is

, good luck with them. Harvey B