Nebraska School Shaken in Wake of Shooting

Jan. 5, 2011: Security forces stand guard outside the Millard South High School in Omaha, after the shooting. (AP)

Jan. 5, 2011: Unidentified students clasp hands as they leave Millard South High School after the shooting. (AP)

Jan. 5, 2011: Students react in outside Millard South High School in Omaha after a student shot and wounded two adults, then killed himself. (AP)

Jan. 5, 2011: Students react in outside Millard South High School in Omaha after a student shot and wounded two adults, then killed himself. (0)

Jan. 5, 2011: Students react in outside Millard South High School in Omaha after a student shot and wounded two adults, then killed himself. (0)

Jan. 5, 2011: Students react in outside Millard South High School in Omaha after a student shot and wounded two adults, then killed himself. (0)