Could it be any clearer? The video speaks for itself. Against all logic, the two Secret Service bodyguards closest to Kennedy were told to stand down. Minutes later Kennedy was shot.
This footage was suppressed for many years after the assassination. The “conspiracy theorists” who believe Kennedy was murdered by a lone nut who was in turn murdered by another lone nut have never addressed this footage.

Watch as the two secret service men assigned to protect president Kennedy’s motorcade are ordered to stand down just minutes before entering Dealey Plaza. They are obviously not happy about being given these orders. It brings up another question: