The article mentioned possible domestic violence. Don't some abusers also have a pattern of hurting animals? I'm sure he was getting some sick kick out of what he was doing. I hope his wife wises up and takes their child and leaves.
Abusers (and sociopaths) do have a pattern of hurting animals. That's bad enough, but you'd have to be a real sicko to shoot an innocent puppy. I mean that's someone with no conscience whatsoever.
His wife was on Inside Edition last night, saying their marriage is over.