Complex sentence: The attempt to break is a failure, and Mallon and his men are soon caught by the police and put back behind bars--all except for Bill, who gets away together with his dog Wolf, and vanishes into the desert.
Split into simpler sentences: The attempt to break is a failure, and Mallon and his men are soon caught by the police and put back behind bars again. All except for Bill, who gets away together with his dog Wolf, and vanishes into the desert.