Tantric Zoo: a Bud Warhol Mystery (The Bud Warhol Mysteries) Second edition

TANTRIC ZOO begins at a tantric sex retreat in 1987. Amid the cavorting and indulging and groping and exploring one of the campers ends up dead. The surviving sex campers bury the body and return to their lives. Until 2008 when the body is discovered and forensic anthropologist Bud Warhol tracks the campers down. Bud finds the murderer but also discovers how two decades of guilt has altered and affected the lives of everyone involved with the Tantric Zoo.