From Name: From Email: To Name: To Email: Optional Message: Police: Twitter posts led to arrest in Texas New Year's murder from CBS News Social media posts were used to identify a U.S. Marine accused of shooting and killing a Texas college student as she drove her friends home from a party on New Year's Day, according to police. more 7701 Las Colinas Blvd., Ste. 800, Irving, TX 75063