Mainstream universe
(Capcom's primary storyline)
For other similarly-named people, see Jeff.

Jeffery was a technician who may have been a member of Umbrella Industries.


In 1998, Jeffery shipped out a special remote detonator to Carter - an Umbrella researcher in Raccoon City - to use against the Tyrant R, which had a bomb implanted within it, should it ever resist orders.[1]


  1. Resident Evil Outbreak File 2 (2004), file: "Memo to Carter"

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