User blog comment:UglyTurtle/Justice League of Equestria RolePlay Blog Part II/@comment-24422626-20141114080458

It's a broken mirror. Possible sign of a struggle, right there. Mirror shards and a piece of cloth make for handy knives, too. And I've seen some mentally unstable criminals transferred from Balkham, and some other ponies with horrible, horrible pasts... They can't even look at a mirror.