Watch Boetie Boer: Inside The Mind Of A Monster2023|1 season|Documentary,CrimePlay TrailerAdd to WatchlistStoryAs Nelson Mandela is released from 27 years in prison in 1990, Stewart 'Boetie Boer' Wilken starts his killing spree. Unlike most serial killers, he had more than one type of victim. He also claimed to engage in necrophilia and cannibalism.