The FBI Agent who helped the Mafia Roy Lindley DeVecchio (born April 18, 1940) is a former FBI agent in charge of managing mob informants. DeVecchio worked for the FBI during the Mafia wars in New York during the 1980s and 1990s, eventually rising to head of the FBI squad responsible for surveillance of the Colombo Crime Family. He was also responsible for handling Gregory Scarpa, a Colombo Capo who had secretly been an FBI informant since the 1960s. | Gangland Wire