The Confessions of Thomas Quick (2015)
This is one of those documentaries that starts out focusing on something only to then look at something very different. Its subject is a character called Thomas Quick (aka Sture Bergwall) who was convicted of eight serial murders in the 90's. The case was national news in Sweden where it all happened. Aside from the highly newsworthy fact of a bunch of unsolved crimes suddenly finding closure and the perpetrator caught, the other aspect that was highly unusual was that Bergwall actually confessed to them all willingly while going through therapy at the high security hospital in which he was being held for other lesser crimes. The treatment brought them to the surface of his mind and had lain dormant as suppressed memories beforehand. The film charts the whole story chronologically, so by this early point it is about a series of killings and the potentially revolutionary psychological method used to detect them in a mentally ill man but the film takes a left turn when Bergwall is acquitted ten years later due to him confessing that he had made up these claims in order to reap benefits in the hospital. At this point the focus of the film turns around and considers how it could be that the authorities could have got it so horribly wrong. (IMDB Red-Barracuda)
