From the Wolfenstein TNO in-game character overview
Born and raised before the war in the German City of Isenstadt, Caroline Becker was left orphaned when the Nazis killed her father. The incident served to strengthen her hatred against the Nazi oppression ans she emerged as the leader of the premier resistance movement in Germany - The Kreisau Circle. Sometime during the war, she was shot through the spine by notorious Nazi enforcer Hans Grösse. The injury left her body paralyzed from the waist down, but her spirit remains unbroken.