FBI Investigating Possible Larger Terror Cell in Philadelphia Prison Planet.com Posted on January 11, 2016 Posted in Aggregated No Comments Tagged with U.S. News Breaking911 | Officials in Philly continue to be on heightened alert after a Police Officer was ambushed by a radicalized Muslim last week. Share this:Share Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email