Article Photos: Students nervously return to school after shooting 6/8

A Connecticut State Police tactical team searches a train station near an elementary school, which was in a lockdown, in Ridgefield, Conn., Monday, Dec. 17, 2012, after a suspicious person was seen near the station. On Friday, authorities say a gunman killed his mother at their home and then opened fire inside the Sandy Hook Elementary School in Newtown, killing 26 people, including 20 children, before taking his own life. (AP Photo/Charles Krupa)