I do work for a land management company that sends me to a lot of condo associations. At one , an 83 unit complex , I trapped 5 raccoons out of the attic of one of the units last fall. Last week she sent me out for three units . Two of them could hear something going up the roof around 6:00 am and down the roof at around 9:00 pm. The other said she could hear things moving around at night especially around 10 to 11 o'clock pm. Lots of scratching. Said it sounded like kids were living upstairs. The attic area where the noise is coming from is in a pretty inaccessible area. All three units are next to a creek that borders the complex , and they are not far from each other. I caught three sow raccoons and a possum outside at the first two. The sows were not lactating. The last few days the traps and bait have been untouched and they have not heard anything. At the third place , I caught a large boar coon the first day. She heard noises the first night after I got it , then nothing the next few days. The traps and bait have been untouched. Last night she said they were very active and it sounded like small stones being dropped. I was thinking squirrels , but , at night? Plus , two of the traps at her place were baited with WCS Corndog bait , which is a squirrel magnet , but I haven't seen a squirrel. I'm going back up into the attic tomorrow to try to get a better look. I did sell the association a long term raccoon reduction package for this year. Any advice would be appreciated.