Milwaukee's old, abandoned structures can be an eyesore and a haven for criminal activity, and there is evidence that families sometimes live there.
Take the sprawling, former factory near 27th and Capitol.
"We know what's going on here but we can't do anything about it. All we can do is walk by and shake our heads," says longtime area resident Martha Freeman. She's seen the vacant structure deteriorate in the decade since its owners deserted it.