John Ernst , Clyde Foust , Lawrence Loy Factor , Mac Wallace , Eugene Hale Brading and Harry Weatherford as per Gaylon Ross Sr. in his book " The Elite Serial Killers ". People are named by Billie Sol Estes and others who name the attendees at the gathering at Clint Murchison's house the night before the JFK assassination. Ross had become friends with Estes 18 yrs. before Billie Sol had passed away in 2013 and Billie Sol Estes told Gaylon Ross Sr. about who was there and what they were there for , which of course was the killing of JFK . Madeleine Brown was a source along with a newsman from the AP named Lexdale Owens. there were 26 Wheeler Dealers there along with 14 press people. Cliff Carter was running the meeting. There is a 3-part series on You Tube named "Gaylon Ross Sr. Who Really Killed JFK Episode 1 "