Unexpected Surprise

The panel was now successfully removed from the door and he was just staring at the black bag which was stuffed between the door. This mysterious bag was covered in wires. He was about to touch the bag, but then he stopped. He stood there for a while and thought of the possible outcomes. This jeep was seized by the police and this bag could be carrying anything inside it. All this could turn into the worst nightmare and he was shaking in fear. Thud! The sound shocked him and it was the black bag that fell down from the gap it was fitted into. What could be inside the bag?