found a thousand or so video on the doctor's phone that show him having sex and sometimes him and his girlfriend having sex with women in various stages of consciousness. do you think you would have been attacked if police hadn't gone ahead and arrested him in 2016? >> absolutely not. one victim is one victim too many. >> reporter: one of his patients is absolutely shocked by his arrest. >> a great doctor. >> orthopedic surgeon. >> works on my shoulder. i'm like really cannot believe this is true. >> reporter: but investigators expect there are many, many more victims out there in places that the couple frequented, from black rock desert, nevada, to palm springs, california. police are asking anyone who believes they are a victim of the doctor or his girlfriend to call them. sara sidner, cnn, los angeles. >> joining us now cnn law enforcement analyst retired fbi special agent james galiano. james, such a disturbing story.