On April 10, 1963, just seven months before he shot and killed President John F. Kennedy, the inscrutable assassin Lee Harvey Oswald crouched behind a fence in an upscale Dallas neighborhood and aimed his rifle at the window of an ultra-conservative firebrand named Edwin Walker, a former U.S. Army general...
Oswald fired, but the bullet caromed off the windowsill and missed Walker's head by an inch. The Dallas Police Department's investigation came up cold and Oswald, already flagged by the FBI, evaded further scrutiny. The weapon that Oswald fired at Walker—a Mannlicher-Carcano rifle bought under a false name—was the very same that would take President Kennedy's life on November 22 of that same year..."