You've got mice in your walls or a mouse in your wall of your home!
What To Do If Mice Are In Your Walls. Mice are not creatures you want in your house. Instead if putting huge holes in walls, to inspect what is in your walls.
How Do Mice Get Upstairs? - Pet Mice Blog.co.uk from petmiceblog.co.uk
I don't think you have an acrobatic cat that could climb through the walls after. Do not be fooled by their cute and fuzzy faces: I can see the problem.
To vacuum or not to vacuum?
The new mom mouse will cope fine with a little help from you. Plenty of mice lived in that grocery shop. Mice will emerge from your walls in search of food, and that's your best window of opportunity to catch them. Well, first, they got inside your home or building.