Season four of this hit procedural drama about the Missing Persons Squad, a unique New York--based FBI task force, is now available! From executive producer Jerry Bruckheimer, Without a Trace stars Anthony LaPaglia, Poppy Montgomery, Marianne Jean-Baptiste, Enrique Murciano, Roselyn Sanchez and Eric Close. As the fourth season begins, Martin has been gravely injured in the line of fire and finds rehabilitation slow. Jack, Samantha and D