LOCAL
Framed, Chapter 1: She was the PTA mom everyone knew. Who would want to harm her?
NATION

Columbine High School

A student leaves Columbine High School after a lockout was lifted Thursday. The school, where a shooting left 13 people dead in 1999, went on high security alert this week after receiving a series of threatening phone calls, law enforcement said.
Ed Andrieski / Associated Press
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