That's a long shot scince they are letting the house go in the first place, If they defaulted then the bank proably owns them now, or they went to the city.
Wire cutters. Drill with deep 13 mm socket. You can have those dishes down and be on the next block before anyone would have time to call the po po. If the houses are abandoned, the neighbors would probably thank you, plus the city is doing a slam bang job of code enforcement in the first place. It never fails to amaze me what the slum lords get away with in memphis. Renting out houses that are crappier than a cardboard box. Find out if they are paying the taxes and buy the lean if they aren't. Then forclose and raze ---errrr recycle---the house and sell the lot.