Staffers hailed as heroes after Conn. shooting

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One bright spot glows among the grief in Newtown, Conn.: the stories of staff members at Sandy Hook Elementary School who may have prevented further carnage. 

School psychologist Mary Sherlach and principal Dawn Hochsprung ran toward gunman Adam Lanza after he broke through the school door. Officials say Hochsprung died while lunging at the gunman. Sherlach also died. 

Another worker turned on the school intercom, alerting others in the building. A custodian ran through the halls warning of danger. A clerk led 18 children on their hands and knees to safety in a storage room with a lock. 

And a cousin of teacher Victoria Soto tells ABC News that 27-year-old died trying to shield children from bullets.