Teen is charged with killing a Temple University police officer
David Maialetti/The Philadelphia Inquirer/TNS

PHILADELPHIA — In late November, Miles Pfeffer posted a warning on his Instagram page. “Work smart not hard make stupid decisions face stupid consequences,” Pfeffer wrote, beneath the photo of a male, his face obscured by fanned-out $20 bills, with what appeared to be a Ruger pistol tucked in his waistband. According to Philadelphia police, Pfeffer failed to follow his own advice. Early Sunday morning, federal and local law enforcement officials descended on the home Pfeffer’s mother in Buckingham Township in Bucks County, Pennsylvania, and charged the 18-year-old with murdering Temple Univers...