Napoleon was appointed to fill a vacancy as Wayne County Sheriff in June 2009, and then won the election in a “landslide” victory. In 2004, he was named Assistant Wayne County Executive. With the police department, he served in patrol, investigative, undercover and administrative capacities, He retired in 2001 after 26 years of service, the profile said. He was appointed Chief of Police by the Honorable Mayor Dennis W.
He was promoted to sergeant in 1983, lieutenant in 1985, inspector in 1987, commander in 1993, deputy chief in 1994 and assistant chief in 1995. He walked a beat in the second (Vernor) precinct and rose through the ranks. Napoleon entered public service in 1975 as a trainee with the Detroit Police Department and entered the city’s police academy the same year, according to his Wayne County Sheriff profile.