Deceased attacker IDed as 28-year-old Usman Khan, convicted in 2012 on terrorism charges
                                
                                
                                    (Newser) -
                                    After Friday's  stabbing attack at London Bridge  that killed two, a name for the also-deceased suspect: Usman Khan, a 28-year-old who'd been convicted in 2012 on terrorism offenses, per  CNN . The  news outlet reports  that Khan, originally hailing from Pakistan, was nabbed in a counterterrorism sweep in London...