Obviously.
He was interfering with an investigation.
Luckily, he was just told to STFU and go home.
[where in Hell do these idiot posters *come* from?!?]
I think they come here straight from the litter box whenever the kitties forget to bury them.
Unless it’s a dangerous situation, the owner should be given a chance to secure the dog out of harm’s way and interference.
That should be the procedure.
Might be a cynophobe that thinks any reason for anybody to kill any dog is a good one.