a gunman to march into arapahoe high school shooting another student and turning the gun then on himself. the latest information from police in colorado. they say that the gunman, carl pearson, walked in to the school with a shotgun, machete and molotov cocktails. will whiply with our affiliate hat more from a student who knew the shooter. >> you know, you never think it's going to be your school. he just told me they're all really scare and locked in their classrooms. >> reporter: friday's chaos -- saturday's belief. >> here, like my school? the people that i know? >> reporter: arapahoe senior, hiding in a hallway listening to a school radio. >> a student down in the athletic hall. >> i heard it was carl pearson, and i -- i broke down, because he's my friend. >> reporter: close friends for flea three years. co-captains of the speech and debate teerchlts hi, i'm carl