4X16 Unrequited 02/23/97 Howard Gordon, Chris Carter Michael Lange Mitch Pileggi, Peter Lacroix, Scott Hylands A mysterious assassin who has the ability to become invisible is stalking high ranking generals who were involved in a plan that classified some POWs as dead, thus stranding them in Vietnam. Skinner assigns Scully and Mulder to protect the surviving generals from the phantom killer. The Truth Is Out There
