Louis Steven Witt, right, a Dallas life insurance salesman appears before the House Assassinations Committee in Washington, Sept. 25, 1978. Witt stated to the committee that he was at the scene of President Kennedy's assassination in Dallas to heckle the President, not to signal a second assassin. The woman at the left demonstrating the umbrella is staff assistant Cyndi Cooper. (AP Photo/John Duricka)
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