NEW : Investigators are `` actively pursuing '' a second suspect in shooting . The man who shot and killed two people at the University of Texas campus on Friday morning is still being sought by police. U.S. Rep. Gabrielle Giffords was wounded along with 11 others . A suspect is in custody ; law enforcement sources identify him as Jared Lee Loughner .
NEW : Investigators are `` actively pursuing '' a second suspect in shooting . A congressional aide , a federal judge and four other died in a shooting outside supermarket . U.S. Rep. Gabrielle Giffords was wounded along with 11 others . A suspect is in custody ; law enforcement sources identify him as Jared Lee Loughner .