Ted Kennedy plunged off the Dike Bridge into the waters off of Martha’s Vineyard, killing his 28-year-old passenger, Mary Jo Kopechne? On July 18, 1969, Kopechne, who had worked on Sen.

"They trusted him," the aunt of victim Mary Jo Kopechne tells PEOPLE. "They loved the Kennedys. Everyone did. But later on, they started to question what happened" Liz McNeil is an Editor at Large ...

Written by Taylor Allen and Andrew Logan, Chappaquiddick is political thriller that unveils the true story of what is described as the seven most dramatic days of Senator Ted Kennedy’s life.