Jeff is the chief Security Guard at the J. Edgar Hoover Building, and has held the job for 12 years.

Although he appeared in two pre 10-13 episodes, the character didn't previously have a name. He was given the name Jeff after message board poster muldernscully.

Appearances[edit | edit source]

  • Season 10
    • X-Phile
    • Perfect Stranger
  • Season 11
    • Nemesis
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