testimonies, there needs to be certainty that the subject being hypnotized will not need to later testify as a witness. Additionally, everything that the subject says while in a hypnotic trance must be verified or disproved with independent evidence and must not be conceived as factual. This is the case because it is easy for a subject to lie or make mistakes about their memory of an event while in a hypnotic trance. Investigative hypnosis has been proven useful to some police departments including the Los Angeles Police Department which reported in 1980 that in 70 cases where forensic hypnosis was used, it helped the police find important information in 54 of the cases. While this process is known to produce inaccuracies, it has also been shown to help police find leads to other evidence which warrants the cost of verifying or disproving information. This is the only use of forensic hypnosis which the US Department of Justice advises using, and still only in limited cases. Evaluating state of mind Another less controversial use for hypnosis is in evaluating an individual's state of mind. The American Medical Association and the American Psychological Association both consider using forensic hypnosis to assist in determining a subject's sanity or criminal intent to be legitimate. This may be used by the defendant to argue that insanity was what led the defendant to commit the crime and not their criminal intent as they could not control their own actions. References Hypnosis Forensic techniques