OK, then.
This artilce (kinda/sorta) justifies why he killed the dog....
http://www.kob.com/article/stories/s1771181.shtml
But to do it with a chainsaw???
Yeah. He should go to jail. But he’ll be out in less than 2 years.
No these idiots should have contacted the authorities and properly dealt with this animal.
Against a pit bull, a chainsaw about evens the odds.