New York City Police Department, New York
End of Watch: Wednesday, March 26, 2014
Age: 48
Tour of Duty: 21 years
Badge Number: Not available
Cause of Death: 9/11 related illness
Date of Incident: September 11, 2001
Weapon Used: Aircraft; Passenger jet
Suspect Info: 19 Suicide attackers
Sergeant Donald O'Leary died from illnesses he contracted while inhaling toxic materials as he participated in the rescue and recovery efforts at the World Trade Center site following the terrorist attacks on September 11, 2001.
Sergeant O'Leary had served with the New York City Police Department for 21 years and was assigned to Transit District 11. He is survived by his wife.