hamilton marriage. and that wasn't all. the doctor's behavior in the minutes after finding susan dead seemed off. 1 officer he was performing cpr. but when the first responder firefighter david bradbury arrived on the scene, he thought there was something odd about the way the doctor was performing chest compressions. >> he had one hand on her chest, one hand on her abdomen. attempting to do compressions in this man right here. the way that we are taught to do cpr we interlock our hands. the palm goes into the center of the chess on the sternum. >> and david bradbury says he didn't see any signs that the doctor had even attempted mouth to mouth resuscitation. >> the way that this woman had been beaten her face was swollen her face was bloody. i did not notice any blood on her mouth whatsoever. >> after arriving to the crime scene, investigators placed john in the back of the police car. and,, it was there they noticed something else on. detective teresa sterling. >> he was acting very upset, he was striking his knuckles on the screen in the police car. he was banging his head into the screen. he w