Visible crew/equipment: When Dr. Raymond leaves with Mary in his car after talking to Norman, when he drives off the entire crew and equipment can be seen reflected in the side of his car. (00:41:50)
Visible crew/equipment: When Norman accidentally knocks his suitcase down the stairs, when it reaches the end of the stairs a hand can be seen reaching for the suitcase to stop it rolling past the camera's view. (00:10:15)
Visible crew/equipment: When Dr. Raymond is spying on Lila Loomis, when he drives off following her, the camera's reflection can be seen briefly in the door piece between the front and back window. (01:21:50)
Visible crew/equipment: When Dr. Raymond comes to visit Norman at the motel, he starts to talk to Norman as he is getting out of his car. As he starts to walk over, a boom mic pole following Dr. Raymond can be seen reflected in the back of his Mercedes for a split second. (00:39:10)
Answer: Norman was found "not guilty" by reason of insanity. Therefore, once he is deemed to be no longer a danger to himself, or to others, and is released from the mental institution, there is no crime he can be sent to jail for (i.e. he has no criminal record for the murders). I haven't done enough research to tell you if a serial killer in recent times has ever been found not guilty by reason of insanity and subsequently been released, but there are numerous accounts of people being released from mental institutions after committing murder that are then considered free.
Bishop73