Man Used Coinbase to Pay Hitman in Bitcoin for Wife's Murder, FBI Says An FBI agent explained in a court filing how a Coinbase account led the agency to the suspect. In brief The hitman who received the Bitcoin is still unknown. A chilling murder plot shows that while Bitcoin can be used to finance heinous crimes, it can also be the undoing of criminals who don't understand how it works. The plot in question involves a Tennessee man, Nelson Replogle, who allegedly paid a hitman he found on a murder-for-hire website to kill his wife, Ann. According to FBI Special Agent Clay Anderson, Replogle sent the would-be killer Bitcoin along with a description of his wife's car and a time when she would be taking their pet to the veterinarian.