Bosch's official cause of death was Guillain-Barré syndrome, but there were allegations made of poisoning by his wife Karen Anne. In 2003, Bosch's sister applied to the supreme court to stop his widow from inheriting the estate. In 2005, his body was removed from Queensburgh cemetery for exhumation. His siblings hired private investigators and there were claims his he suspected his wife of infidelity and had hired investigators to monitor him.