If a thief is trying to break into your home, sometimes you have to take matters into your own hands. This thief tried to open a door through the mail slot, when the home owner suddenly put a stop to the robbery (TURN THE VOLUME DOWN IF YOU'RE USING HEADPHONES).
Of course, we hope that you don't have to resort to violence to deal with situations like this. However, it's safe to say this theif learn their lesson!