A teacher's son clad in black and carrying two guns rampaged through a Connecticut elementary school Friday, killing 20 small children and six adults, including his mother, in the nation’s second-worst school shooting, law enforcement officials said.
The gunman, identified as Adam Lanza, 20, was also found dead at Sandy Hook Elementary School in Newtown, law enforcement officials said. Lanza's mother is a kindergarten teacher at the hilltop school, and it's inside her classroom where most of the casualties were found, according to NBCNewYork.com.
Law enforcement officials initially told NBC News the gunman was Lanza's brother, Ryan. Another relative, who was not identified, was found shot to death at a home in Newtown, officials said.
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