The Jefferson County Sheriff's Office on Friday released new information about the timeline in the Evergreen High School shooting in Colorado's foothills, revising the time it took for the first units to arrive. The statement released also takes a deeper look into the whereabouts of Evergreen High's school resource officer.

CBS

"We are aware of rumors about a so-called 'hit list,'" wrote the sheriff's office. "The Sheriff's Office has found no evidence of any such list through the course of the investigation."

The department has told CBS Colorado that is inclusive of not only Evergreen High School, but other schools attended by the 16-year-old gunman, who took his own life in the attack. Two students were critically hurt .

"We have no record of any prior reports or complaints i

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