Officer Robert Wilson III died Thursday after being shot in the head during an attempted robbery in North Philadelphia . Wilson exchanged gunfire with two suspects after the gunmen entered a video game store and announced a robbery . Two brothers , Ramone Williams , 26 , and Carlton Hipps , 30 , charged in the fatal shooting . Williams had two prior arrests , while Hipps had six arrests and had been out on parole since 2009 . The men were arraigned Friday morning at District Court for murder charges.
Officer Robert Wilson III died Thursday after being shot in the head during an attempted robbery in North Philadelphia . Wilson exchanged gunfire with two suspects after the gunmen entered a video game store and announced a robbery . Two brothers , Ramone Williams , 26 , and Carlton Hipps , 30 , charged in the fatal shooting . Williams had two prior arrests , while Hipps had six arrests and had been out on parole since 2009 . Wilson , an eight-year veteran on the force , was buying a video game for his 8-year-old son for getting good grades when robbery occurred . AK-47 was recovered during a search warrant at one of the suspects ' home .