forensic psychology: forensic hypnosis

Watch the following video until 4:49 Based on the video, when is forensic hypnosis particularly useful? Based on the video, discuss an example of when forensic hypnosis was key in catching the suspect and why it was useful. What is hypnosis? What is forensic hypnosis? Define retro-active interference and explain two situations in which it might occur. During forensic hypnosis the best question to ask from the following would be: How many times did Jeff Smith hit the victim? How many times was the victim hit? Explain why you chose either a) or b) from the above question to use during forensic hypnosis.