Daniel Perez Cueva, 21, of Peru, was killed while in a French class, his mother, Betty Cueva, told the AP. Perez Cueva was a student of international relations, an interest driven by the 9/11 terrorist attacks. He spoke four languages, loved soccer and swimming, and was a member of the Honor Society, his friends said. "I'll miss his smile and his laughter," friend Donald Smith told CNN. "We're missing a friend, a very good friend."