https://www.cbsnews.com/philadelphia/news/miles-pfeffer-temple-officer-shooting-crime-robbery/
Weapons seized from home of suspect in Temple officer shooting: sources
‘Pfeffer was with two other people, including his brother, during the robbery. They’re now in police custody for questioning, but their identities haven’t been revealed at this time.
Pfeffer’s mother was also taken in for questioning, and there could be charges coming, according to police. ‘
...’Police sources tell CBS Philadelphia in the hours after Fitzgerald was shot and killed — family members of Pfeffer provided investigators with information they needed to find him — including a cell phone number that pinged at a residence in Buckingham Township.’