By the accents, I'm pretty sure this didn't happen in Minnesota. They didn't sound like German Finlanders, doncha know der hay. If it's legal where they are, let em do it. How do we know he's not a sheep rancher? If I had a big herd of sheep, and bigger herd of coyotes, I'd have me a set of them dogs. It'd be money well spent. The way sight dogs work, by my understanding, and I could be wrong (someone please correct me if I am...)is the dogs need to see the critter they are chasing when you turn em loose. Granted, they got pretty close to the critter, but the truck is also a mode of transportation to get close enough for the dogs to do their work. They could have maybe turned the dogs loose quicker, maybe the coyote would have gotten away, maybe, maybe, maybe. Here in Minnesota, it is illegal to chase them with a truck. It is legal to run with hounds.Put these fact in front of a jury, and say you were getting close enough to turn sight dogs loose, you are gonna have a close match. Depends on the attorneys, the judge, and most importantly on the jury. If these guys have that kind of dog, chances are they have a lot of coyotes, and they need some predator control. Job done. If I had a set of those dogs, my wife would shoot me, cuz I wouldn't be able to have a chase like that maybe every other year. That a lot of dog food to feed a dog that I won't get any use out of. We don't have that kind of coyote problem. Got a few around, but we'd never be able to sight hunt em with a dog and do any good.
Talk to your LOCAL game warden. What I see in this, is that you'll get as many answers, as the number of wardens you talk to. There are gray areas in many laws. The wardens know it. They know these gray areas, and so do the prosecuting attorneys. If the attorney doesn't know it, I'll bet the warden will let them know.
As far as mistaking a farm dog???? Ain't gonna happen. When the farm dog sees the truck he'll run to you for one. For two, most guys know what dog belongs to who in the area they hunt. I've seen farm dogs out in the fields. quote "There's a
coy......@#$%^& dog." You can tell the difference if you've been in woods and fields at all and have seen either of the two.
Just my $.02