Walker's abandoned car was found to contain bolt cutters, a loaded Thompson submachine gun, a bag of tools, sap, sash cord, bell wire, hacksaw blades, hand drill, electric drill, crescent wrenches, pry bar, extension cord, hammer, pliers, wire cutters, nitroglycerine, adhesive tape, a percussion-type dynamite blasting cap crimped to a white blasting fuse, and a primer cord attached to the percussion cap.