archer also pledged his allegiance to the islamic state. commissioner: he's confessed to committing to this cowardly act in the name of islam according to him he believes the police defend laws contrary to the teachings of the qur'an. graphic archer is 30-years-old -- from just outside philadelphia. he has a prior arrest for aggravated assault -- but despite his confession -- no known links to terrorism. law enforcement sources say the fbi is looking at archer's phone and to saudi arabia in 2011 and egypt in 2012, but there's nothing to suggest the travel was terror-related. in yet another twist -- police say the 9mm handgun he used to shoot hartnett -- was a stolen police firearm.