remove them as they enter their attics. this is also a common issue that everybody will need to deal with. it will of course begin upon hearing the scratches and noises in the walls or above the ceiling.
there are those who already know that the sounds come from the raccoons. this is also due to the animals climbing into the roof. some of them do not know anything at all. for your part, you will need to do some inspection. you may also see some raccoons up there. actually, you could drag them out.
you need to be fully aware of the fact that maybe, there is not only one raccoon 