Scotland Yard will be reinvestigated over its handling of the Stephen Port murders by the police watchdog after a ‘whitewash’ probe cleared 17 Metropolitan Police officers of misconduct. The officers were accused of blunders that may have hindered the investigation into Port, who murdered Anthony Walgate, Gabriel Kovari, Daniel Whitworth and Jack Taylor during a year-long killing spree before he was caught in September 2015. All but one of the 17 officers investigated for alleged misconduct refused to answer questions when quizzed by investigators. Critics said the force had ‘blood on its hands’ after an inquest uncovered blunders that allowed Port to roam free for 16 months while officers dismissed…