direct to your inboxThe police watchdog has dropped an investigation into three former senior Greater Manchester Police officers over their 'command and control' of an armed operation during which a father-of-two was shot dead.The Independent Office for Police Conduct (IOPC) said today two of three independent investigations arising from the fatal shooting of Anthony Grainger it launched have now concluded.Mr Grainger, from Salford, died on March 3, 2012, when he was shot in the chest by a