New York City Police Department, New York
End of Watch: Saturday, August 25, 2012
Age: 50
Tour of Duty: 28 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
Detective John Kristoffersen died from illnesses he contracted after 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.
Detective Kristoffersen had served with the New York City Police Department for 28 years and was assigned to the Brooklyn North Homicide Squad.