Quote Originally Posted by Footbutt View Post
it looks like a "utility" tape... perhaps gaffer or... bomb tape?
it appears to be on the floor; directional.
the lighting suggests a dropped flashlight.
drops of 'fresh' blood can be seen.
I was also thinking along these lines, you stated what I was thinking. And undead had my other idea that it's inside the prison... though that seems rather obvious to me...