The X-files 11x6 Page

According to reviewers from IndieWire , this episode provides a "sweet and touching" moment for Skinner that feels earned after 20 years of backstory.

: Skinner’s middle name is revealed to be Sergei .

: The investigation leads Mulder and Scully to Mud Lick, Kentucky, where people are being murdered in booby traps resembling Vietnam War punji pits.

In the X-Files episode (Season 11, Episode 6), Walter Skinner's mysterious past in the Vietnam War finally takes center stage. The episode explores themes of guilt and accountability, revealing how a secret military project called MK-NAOMI —a gas designed to induce extreme fear and hallucinations—shattered Skinner's faith in the government. Plot Summary

: Skinner goes AWOL after receiving a package containing a human ear and a note that says "Kitten". Mulder and Scully are ordered by Alvin Kersh to track him down.

: He admits his stalled career is a result of his "blind loyalty" to Mulder and Scully's search for the truth.