article_snippet: There was no indication that the gunmen knew Arapahoe County Sheriff Grayson Robinson or was acquainted with Arapahoe County Sheriff Grayson Robinson.
article_snippet: Arapahoe County Sheriff Grayson Robinson said the incident had been extremely brief, lasting one minute and 17 seconds from the time Pierson entered the building armed with the shotgun, several rounds of ammunition, and three petrol bombs, to the point where Arapahoe County Sheriff Grayson Robinson shot Arapahoe County Sheriff Grayson Robinson.
article_snippet: Arapahoe County Sheriff Grayson Robinson evil intent was to harm multiple individuals,' Arapahoe County Sheriff Grayson Robinson said.
article_snippet: Arapahoe County Sheriff Grayson Robinson said that when the teenager heard the school's police officer pursuing Arapahoe County Sheriff Grayson Robinson, Arapahoe County Sheriff Grayson Robinson took Arapahoe County Sheriff Grayson Robinson own life.