Description, clothing, tattoos, other identifying markings: A black jacket and blue jeans.
Other characteristics: Caucasian female. Brown hair, brown eyes. Karras has heart-shaped scars on both ankles and a scar on her neck. Her nickname is Karrie.
Details at time of disappearance: Karras was last seen boarding a Metra Train in Grayslake, Illinois on December 31, 2005. She was supposed to meet a friend and move to Las Vegas, Nevada. She has never been heard from again. Chicago, Illinois police are investigating her disappearance.