The auction block is revving up on Saturday, Oct. 20, 2012 as the U.S. Marshals sell a slew of rare, classic, custom and unusual vehicles that were all formerly involved in federal court cases. These pictures offer a look at some of the vehicles that will be up for sale at the auction, which will be held at 10 a.m. at Skipco Auto Auction(700 Elm Ridge Ave. in Canal Fulton). All photos courtesy of the U.S. Marshals.