After our last cat died, we did not replace him, and ever since, in fall, we are bothered by mice. Traps work fairly well to control the situation, but I remember one mouse in particular, that I was reluctant to kill. He would come out on the floor, very quietly, in the middle of the day when I was working at the basement modeling bench.It was like he was interested in watching me build models! If I looked at him, he would scurry away, but I could be aware of him out of the corner of my eye. I finally rigged a deadfall box to bring a cardboard box down over him, and it worked, trapping him but not hurting him. I then took him back to an outlot area and released him. I assume he was smart enough to get the message, as I never saw him again.