A woman who survived the shootings at Columbine High School in Colorado in 1999 came to Bemidji , about 30 miles from the reservation , to offer a message of hope to the three wounded students here and to two others still hospitalized in Fargo , N.D . Many spoke about the pieces of a shattered day that stuck in their minds , like Cody 's deeply imprinted vision of the gun in the hallway .