Conspiracy theorists who question President John F. Kennedy's assassination in 1963 have, over the years, become obsessed with another murder. On Oct. 12, 1964, socialite and artist Mary Pinchot Meyer, a longtime Kennedy mistress, was shot execution-style in broad daylight while walking along the Georgetown canal towpath.
Within hours, police charged day laborer Ray Crump Jr. with murder. They never found the gun, however, and a jury acquitted Crump after an eyewitness described the killer as much bigger than the diminutive defendant. In the ensuing years, the case has become one of Washington's most infamous unresolved murder cases.
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