- 6.8/1028 votes
#1 - Trevor
Season 6 Episode 17 - Aired 4/11/1999
After a tornado rips through a prison camp, one of the inmates disappears from solitary confinement and the prison warden is killed. As Mulder and Scully track him, he appears to have the power to pass through solid matter while changing its composition.
Director: Rob Bowman
Writer: Jim Guttridge