A Washington-based group that has long questioned the official version of John F. Kennedy's assassination says the city of Dallas is trampling its rights by barring it from Dealey Plaza for this year's 50th anniversary of the murder of the nation's 35th president.

The Coalition on Political Assassinations has gathered every year since 1994 at the site where Kennedy was killed by a sniper on Nov. 22, 1963. The group typically observes a  moment of silence and members often give speeches. But this year it was denied a permit, the group's director told FoxNews.com. 

"It's ironic that the city wants to celebrate JFK's life -- and not his death -- at the very place where he was assassinated," John Judge, the executive director of the group, said. "They are afraid of the thousands of people that will come to the site to commemorate his death and call for the truth."...