Isabelle Franks

 was a secretary in the Pentagon in 2077.

Background
According to Harold Callahan's terminal entry on August 16th, 2077, Isabelle Franks was fighting with and being accused by Carol Wallace for being a spy "for those Red bastards" and talking to a Chinese spy, She respond by saying she was just talking to her husband "about weekend plans". The fight was then broken up and both were sent home by their supervisors.

Appearances
is only mentioned in the Fallout 3 add-on Broken Steel.