Mary Jo Kopechne

…companion in the car, 28-year-old Mary Jo Kopechne, died. Kennedy pleaded guilty of leaving the scene of an accident. He was reelected to the Senate in 1970 but announced that he would not seek the presidency in 1972.

…July 18–19, 1969, in which Mary Jo Kopechne died in a car driven off a bridge by U.S. Senator Ted Kennedy.

…of those workers was 28-year-old Mary Jo Kopechne. Before midnight, Ted Kennedy left the party with Kopechne, offering her a ride to the ferry back to the mainland. But Kennedy crashed his car into the water; he survived but Kopechne drowned, and Kennedy failed to report the crash for some…