Many people assume that once a trial is over, the case is done once and for all. However, sometimes cases can be retried. Reasons for re-trial include attorney misconduct or mistrial in the original trial, or an error which made the trial unfair. How a second trial turns out can't be predicted with certainty.
John F. Kennedy. John F. Kennedy was the 35th President of the United States (1961-1963), the youngest man elected to the office. On November 22, 1963, when he was hardly past his first thousand days in office, JFK was assassinated in Dallas, Texas, becoming also the youngest President to die.
Shortly after noon on November 22, 1963, President John F. Kennedy was assassinated as he rode in a motorcade through Dealey Plaza in downtown Dallas, Texas. By the fall of 1963, President John F. Kennedy and his political advisers were preparing for the next presidential campaign. Although he had not formally announced his candidacy, it was clear that President Kennedy was going to run and he seemed confident about his chances for re-election.