On a fateful night in Brooklyn, New York, the life of 35-year-old Detective Salvatore Potenza was cut short in a violent encounter. On October 15, 1964, Detective Potenza and his partner, Detective James A. Donegan, were responding to a domestic violence incident in the Flatlands section of the borough. A concerned Reverend William H. Lothrop had reported that a man had assaulted his wife and was threatening to kill her. The man in question was Donald B.
Guyette, a 35-year-old with a troubled past that included time as a convict and a patient in a mental health facility.
The two detectives arrived at an apartment located at 1632 Hendrickson Street, where Guyette was staying. Their intention was to mediate the domestic dispute, a common and often dangerous task for police officers. As they knocked on the door, they were met not with words, but with a sudden eruption of gunfire. Guyette, armed with a rifle, fired directly through the door, striking both officers. Despite being mortally wounded, Detectives Potenza and Donegan managed to return fire, though they did not hit their assailant. Detective Potenza tragically fell backward into an alleyway, while his partner collapsed through the doorway; both men succumbed to their injuries at the scene.
In the immediate aftermath of the shooting, Guyette stole the fallen detectives' service weapons and fled the scene. His destination was his wife's home on Hawthorne Street. After forcing his way inside, he confessed to the murders to Reverend Lothrop over the phone. In a final, desperate act, after speaking with his son over the phone and asking his wife to read a psalm to him, Guyette used one of the stolen police revolvers to take his own life. The tragic event left a lasting scar on the community and the New York City Police Department. Detective Salvatore Potenza, a nine-year veteran of the force and a U.S. Army veteran of the Korean War, was survived by his wife and three children. Both he and Detective Donegan were posthumously awarded the Medal of Honor for their bravery and ultimate sacrifice in the line of duty.
