BPD Remembers the Service and Sacrifice of Detective John J. Mulligan: On this day 28 years ago, on September 26, 1993, Detective John James Mulligan was shot and killed in the line of duty in the Walgreen's parking lot on American Legion Highway in Roslindale.

Detective Mulligan was a 27 year veteran of the BPD and was 52 years old at the time of his death. Detective Mulligan was survived by his two sons.

Detective Mulligan is buried at the Evergreen Cemetery in Brighton, MA. His name is located on the National Law Enforcement Memorial, panel 30, west line 19, as well as the Hero Wall at Boston Police Headquarters and the Police Memorial located at the State House.

A Hero Sign has been placed in his honor on American Legion Highway in Roslindale.