I have one and my parents have one

Shooter drills have everyone sit in the corner of the room with the lights off, shades down, door locked, and instructions to be quiet and attack anyone who goes through the door with whatever you can throw

Other comments have said it needs to be fresh

I’m not sure about Target, but i’d assume it’s similar to the walmart i worked at in that there isnt any stock in the back of the store. The only stuff back there is things that were delivered that day and haven’t been put out yet, not nearly comparable to what’s in the store proper