Sixty years after the assassination of John F Kennedy, secret service agent Paul Landis, who was part of the motorcade, tells ITV News reporter Dan Rivers of his vivid memories that have haunted him ever since. Mr Landis talks for the first time about the event and describes in graphic detail what happened and how he placed one of the bullets he found on President Kennedy’s stretcher. Report by Blairm. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn