Background
Thynne, William J. was born on January 4, 1948 in Jersey City, New Jersey, United States.
Thynne, William J. was born on January 4, 1948 in Jersey City, New Jersey, United States.
Bachelor, St. Peter's College.
Patrolman, sargeant, Lieutenant detective commander, Jersey City Police Department, 1972-1997; chief of police, Jersey City Police Department, since 1997.