As the country turns toward Dallas this week to honor former President John F. Kennedy, visitors to Dealey Plaza are calling into question the official account of his assassination.<br/> <br />The Warren Commission, formed to investigate the murder, concluded that Lee Harvey Oswald acted alone when he shot JFK from the former Texas School Book Depository.<br/> <br />Fifty years later, many theories are still alive.<br/> <br />(SOUNDBITE) (English) MICHAEL FONTAINE, A VISITOR TO DEALEY PLAZA, SAYING :<br/> <br />"I saw the word "patsy" in the museum. For me, that's the operative word, right now, for me, for this 50th anniversary. Oswald was a patsy."<br/> <br />(SOUNDBITE) (English) DORA DUNCAN, A VISITOR TO DEALEY PLAZA, SAYING:<br/> <br />"I really don't know if Oswald killed him or not but if he did, I think it was just part of a plot."<br/> <br />Friday's anniversary is drawing many more conspiracy theorists, including Robert Groden.<br/> <br />Groden has authored several books on the assassination, including "The Killing
