Thanks. She had no idea why they were allowed boarding and it was obvious she and the captain were not happy it happened. I will go with an incompetent employee. The flight attendant basically said, we were giving this opportunity to help our customers and we (Delta) can not mess it up like this again. Nobody said anything to them, although I think under different circumstance, they may have been given some kind of "welcome" when they boarded as everyone on board knew the situation since it had been announced.

Scubaman, it may have been a dummy collar but a trained dog for support or assistance would not have had either the pinch/prong or e-collar on. I did not see the remote for the collar but I know an e-collar when I see one. If a dog is shocked enough, they behave differently when it is on whether it is activated or not. The combination of the two collars was a dead giveaway to me. We do not allow the use of e-collars for any dock diving training.