A family member needs to kill the POS.
That would not be enough for me. I'd have to get medieval on their arses.
I will donate the ammo.
"As many as ten"--
Each captured perp needs to be given all the special treatment needed to rat the others and get all the perps in custody.
Then and only then do you let the family members into the room with the perps, close the soundproof door and go to Disneyland with your family.