Parents of Fallen Navy Seal to Speak to NoVA Tea Party Advertisement of a Northern Virginia Tea Party event. On March 31, Billy and Karen Vaughn, the parents of fallen Navy Seal Aaron Carson Vaughn and author of the book “Betrayed” about his son’s combat death in Afghanistan, will speak to the Northern Virginia Tea Party at Harvest Moon Restaurant, 7260 Arlington Boulevard, Falls Church, VA 22042. Register here for the event. logoBETRAYED: The Shocking True Story of Extortion 17