Jim Marrs, best-known for his work researching the various theories surrounding the JFK assassination and UFOs and a guest on many talk shows, died this week at the age of 73.
According to his official Facebook page he died of a heart attack on Wednesday. He had recently been put on dialysis.
According to his online biography, Marrs was a former Fort Worth Star-Telegram staffer starting in 1968 and was a police reporter and general assignments reporter. After a stint serving in the Army in Vietnam he came back home and began writing about military and aerospace technology.
His 1989 book "Crossfire: The Plot That Killed Kennedy" was a New York Times Paperback Non-Fiction Best Seller and became a basis for the Oliver Stone film "JFK" in 1991. He served as a chief consultant for the film.
http://www.chron.com/news/houston-texas/texas/article/Jim-Marrs-JFK-conspiracy-theory-dead-at-73-11731000.php