The case remains one of the United States' most infamous unsolved crimes. His death was profiled in a segment of "Unsolved Mysteries". This consists of a centralized computer database of information on unsolved homicides. It is implied that Norman is responsible for the unsolved disappearances of two young girls. The first episode aired in November of 1997 as an "Unsolved Mysteries" special. This theory was used for an enaction shown in a 1991episode of "Unsolved Mysteries". He began hosting "Unsolved Mysteries" in 1987. Rankin began his acting career with an appearance on the television show "Unsolved Mysteries". Various charities exist to assist the investigations into unsolved cases. Season 4 is about a mystery which was left unsolved for 30 years. She enjoyed guest appearances on television shows such as "Swamp Thing" and "Unsolved Mysteries". As of 2008, the crime was unsolved. All fingerprints taken would be cross-checked against prints from 900,000 unsolved crimes. Norton also fronts the STV crime show "Unsolved". The claim eventually became one of the most notable unsolved problems of mathematics.