Main Page | See live article | Alphabetical index Mary Jo Kopechne (July 26, 1940 - July 18 1969) was a congressional staffer for U.S politician Edward Kennedy. Kopechne died after a car driven by Kennedy turned off the road in Chappaquiddick, Massachusetts and crashed into a pond. It is assumed she died from drowning, although her parents filed a petition barring an autopsy. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.