NBC’s Tom Costello reports on a possible shooting at Arapahoe High School in Colorado.
Shooting reported at Colorado high schoolNBC’s Tom Costello reports on a possible shooting at Arapahoe High School in Colorado.PrintSaveCreate your free profile or log in to save this articleDec. 13, 2013, 9:16 PM UTC / Source: MSNBC TVNBC’s Tom Costello reports on a possible shooting at Arapahoe High School in Colorado.