Columbine High School and others in the area were put on lockout Thursday morning due to threats.
The Jefferson County School District on Monday let parents know about a possible threat at Bear Creek High School.
Federal agents tracked down a Denver native and arrested him in Iowa after allegations surfaced that he threatened to kill three teachers at his former school in Steamboat Springs.
It was back to normal at East High School on Monday after students were let out early on Friday due to what police called a credible threat against the school.
Denver’s East High School will be back open on Monday following what police called a credible threat against the school on Friday.
Police say they are taking a report of a threat against East High School seriously.
Denver police would like the public’s help identifying a man who may have information about a threat towards Denver Public Schools.
A teenager in Southern Colorado has been detained for allegedly posting a threat on Facebook.
A 17-year-old Niwot High School student is now in jail and being held without bond after allegedly threatening the school.
Niwot High School students will return to class Monday after a threat caused the school to shut down on Friday.