Reid Underwood

 was one of the members of Quaere Verum, a pre-war organization dedicated to exposing the vast conspiracy later known as the Enclave.

Background
Reid was the last surviving member of Quaere Verum, and knew that he was the next to be assassinated by the government. His mission to steal a prototype government weapon was successful, but with federal forces closing in, he buried the object in a desert. The Aliens seem to have abducted the safe containing it, but Underwood's ultimate fate is unknown.

Appearances
is mentioned in the Fallout 3 add-on Mothership Zeta.