Officer '' ' Jesse James Hartnett ' '' , aged 33 , was at the time a four-year veteran with the Philadelphia Police Department . He graduated from Monsignor Bonner High School in 2001 . Hartnett previously served with the United States Coast Guard , joining right after the September 11 attacks occurred and serving on active duty throughout August 2008 . He then served with the Coast Guard Reserve from 2009 to November 2015 . In September 2010 , he became an officer for the East Lansdowne police force and worked there until July 2011 , which was when he transferred to the Philadelphia Police Department
September 11 attacks
September 11 attacks
Shooting of Jesse Hartnett