Well, I know there are mice in the toolshed. They mostly mind their own business. The rats, though, were in the house walls and that wasn't gonna fly. I set up a whole release place at an abandoned barn 5 miles from human beings--there was a creek nearby and I left them with a month's worth of food to give them time to get set up.
But would rather not have to go through all that again LOL!
I will report back!