If they didn't take any of the animals are they really poachers? I would say they are a lower form of scum just to kill them and leave them.
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I trapped a large plantation for beaver over 10 years ago. There were over 18 gators at least 8 over 8 feet in the small lake that the owner lived on. Gators had come up In the yard after his dogs several times. The owner, I was told, ask for the state to issue permits to remove them. He was given "one" for the nuisance trapper. Shortly after that a large gator came up in the yard after a very young grand child. Luckily the parent was close. He asked the state again and was met with hesitation and resistance.
The next year I saw no gators of any size. I ask what happened to them. I was told they just left.
Sometimes it is better if the animal just leaves when the governing body's can,t or won,t protect you, even to help you protect yourself.