This is from an article in 2009. The video link is no longer valid
"I do not watch much television, and haven't seen a full episode of The Dog Whisperer. A few days ago, I received an email from a veterinarian specializing in animal behavior, urging me to watch this
Dog Whisperer video clip. I admit, it was a difficult video to watch. In this video, Cesar Millan uses a choke collar to subdue an aggressive dog, finally pinning it on the ground. Millan is bit several times in the process, and I question the health of the dog during this clip (blue tongue). Debra F. Horwitz, DVM, DACVB, a board-certified veterinary behaviorist, offers her commentary of the video here:
dog training gone bad."