Texas College Lockdown Shooting

Ana Leal, left, embraces Lone Star College student Sabrina Cuellar after she was evacuated and picked up by her mother, Maria Cuellar, right, from the campus following a shooting at the north Harris County school Tuesday, Jan. 22, 2013, in Houston. Authorities say the shooting was the result of an altercation between two people, and at least one was a student. (AP Photo/Houston Chronicle, Brett Coomer) MANDATORY CREDIT