The US Secret Service on Friday detailed gaps in communication and lack of diligence uncovered by a review into the assassination attempt against US presidential candidate Donald Trump at a campaign rally in July. Thomas Matthew Crooks was able to climb to an elevated position with an assault rifle and fire a number of shots at Trump at rally near Butler, Pennsylvania on July 13, with a bullet grazing the former US president’s right ear. Secret Service acting director Ronald Rowe said at a press briefing the review “identified deficiencies in the advanced planning and its implementation by Sec…