to provide added security, meals are delivered through slots in cell doors. random cell searches are an effective way for officers to find weapons and other contraband before they can be used against staff and other inmates. >> i'm checking some of the unclear containers for contraband because we can't see through this. we can take our light. if there's anything in here besides what's supposed to be in here, we'll be able to see it. there's an unknown liquid in this. this is a shampoo bottle. there should be shampoo in there. there's not shampoo in there. we use mirrors in places we need to put our hands that we don't want to get stabbed or poked. >> although the officers search for all sorts of contraband, they are first and foremost on the lookout for weapons. >> it could be as simple as this right here. this is cellophane wrapped around a pen filler. it's pretty stiff. it could be used as a stabbing weapon. it's better that we take it. >> when it comes to crafting homemade weapons, an inmate's