Lockout Lifted At Columbine High

MGN Online
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Several schools in the Columbine area went on lockout while police investigated a threat Columbine High. The details of the threat have not been released.

Besides Columbine High, Columbine Hills, Dutch Creek, Governor's Ranch, Leawood and Normandy elementaries, as well as Ken Caryl Middle School, also went on lockout status.

The district says that a lockout means business as usual within the school. All students and staff were safe during that time.

A Jefferson County Sheriff's Office spokesperson says the high school received the threat in three phone calls around 10 a.m. Thursday. The Sheriff's Office says the threat does not appear to have been credible.

Columbine High School reached national notoriety in 1999, when two students opened fire inside the school, killing 12 classmates and a teacher and wounding 26 others before killing themselves in the school’s library.