... the injury he caused by defending hiss own life from the attacker, armed with a sharp object, allowed local police to arrest the burglar ... by following the blood trail.
Read the full story here.
This is somewhat of a success story.
Somebodies hous was broken into, and he was the victim of a violent criminal, but he fought back which resulted in the capture of a dangerous man. And nobody had to die.
In times of need, any object can become a weapon with which to defend yourself, a tire iron was used in this instance. I suppose the victim was lucky enough to have something useable as an effective weapon in the vicinity, available to him.
Don't rely on having such luck. If you feel at risk of being confronted by a violent criminal, get a decent weapon and become proficient with it.