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It\u2019s been more than 45 years since John Donaldson was killed while sitting in his parked car just yards away from the safety of his own home in Harvard, Massachusetts. It took years for investigators to build a case and arrest a suspect, but it would all prove to be a distraction from the truth. Now, Johnny\u2019s siblings are taking up their little brother\u2019s case one last time in hopes of finally uncovering the answers they deserve.