It appears that the wires around Marks neck are just pushed into the intact light socket. It's too dark in there to remove them without risking injury. You will need to get light in there to fix it. Meanwhile, you go back to the nailed door and discover the door handle on the floor. Looks like the handle was knocked off to allow more boards to be nailed up. Looking back at the bench you see something that was over-looked before. It's a drawer! How did you miss that before? Let's go check it out before we figure out how to light up the darkened closet.