Allan Basstr and Detective Johnson

Detective johnson became so obsessed with the theory that many thought it was an unhealthy obsession. After his conviction, allan basstr was diagnozed as a skitze frenic and he ended up serving his time in a psychiatric hospital near newcastle. In retirement, detective johnson paid regular visits to allan trying to get him to convess about the unsolved murders til he was convinced that he had his man. During this time, allan presented detective johnson with a painting of a bush sane. Said the painting depicted a clue that only the murderer would know. However, what this clue is, no one knows. He even started to write a book about it,