Originally born in Montana but raised in Euclid, Ohio, Agent Fighting Bull was recruited by the CIA when her powers manifested at the age of 16. She discovered her metamorphosis abilities during a fight with some girls in high school. She excelled during her training as a CIA agent and became a specialist in counter-intelligence, computer systems, and espionage. Agent Fighting Bull became the first operative in the Spyscape division of the CIA’s Directorate of Operations. As Vigil’s lead intelligence officer, she always keeps the team a few steps ahead of their adversaries.