Look at all of the houses in the background. Not the best place.

"rare elk tag acquired"
So not normal right now.

By their reaction I make the assumption the tribal police thought there may have been a poaching. Someone could have even called claiming it was a poaching. We don't know.

Should they have:

Done nothing.
Called WDFW while watching the truck drive away.
Check it out. (I say they should have. They are still LE).

So boils down to were they reasonable about it. One side say's they weren't. We haven't heard from the other side though. It sounds like they went over board but this may lead to "doing nothing" from now on.

Who's the guy in the light green shirt? Is that WDFW?