To be honest, three "unarmed" burglars in anyone's home is a serious threat. To emphasize their being unarmed is ludicrous. You are likely outnumbered, there's always the possibility they are bigger and stronger than you, and they can easily pick up an object in your home and become "armed" in a pinch.
If three people break into my home and make any sudden movements that aren't getting the hell out, they're getting shot.