CSI: Dallas: in this crime scene investigation of the Kennedy assassination, a computer simulation dispels the persistent conspiracy theory.(Broadcast)

Who shot President John F. Kennedy?

Four decades after the tragedy in Dallas, it's still one of the most enduring questions of our time. Despite the findings of two major governmental investigations, many Americans today still doubt that Lee Harvey Oswald acted alone, if at all. A key piece of evidence that is used to support both sides of the controversy is an 8mm home movie of the shooting captured by local resident Abraham Zapruder.

Forty years later, freelance computer animator Dale Myers definitively answered the lingering question during an ABC special marking the anniversary of the assassination. Using state-of-the-art film and computer graphics ...