I live in a high rise and had a leak in my kitchen. They tore the wall apart and taped it. After that I started hearing scratching at night. I put a glue trap out thinking I had a mouse but couldn't confirm and I caught it in the morning. I started finding little holes in my wall! I called the building manager and they got an exterminator and had maintenance patch up the walls. It's the buildings job to get rid of the issue but you have to work with them too.