Watch - The X-files 9x15

: It is revealed that a scientist named John Gillnitz has been modified into a living biological weapon, carrying a deadly virus in his body.

: In the episode's climax, The Lone Gunmen corner Gillnitz in a hallway. To prevent the virus from being released and killing thousands, they pull a fire alarm to seal the area, knowingly trapping themselves with the biohazard. Watch The X-Files 9x15

: The episode ends with the trio being buried with full honors at Arlington National Cemetery , marking their definitive (though later contested in comics) exit from the series. Critical Analysis : It is revealed that a scientist named

: The story begins with the recurring antagonist Morris Fletcher claiming to have information about a "super-soldier" plot. This leads agents Doggett and Reyes to seek help from The Lone Gunmen —Byers, Frohike, and Langly—to track down the missing hacker Yves Adele Harlow . : The episode ends with the trio being