Background Sources:
Books:
Brooks, B. & Merritt, R. (2002) No Easy Answers. Lantern Publishing and Media.
Cullen, D. (2009). Columbine. Twelve.
Kass, J. (2014). Columbine: A True Crime Story. Conundrum Press.
Klebold, Sue. (2016). A Mother’s Reckoning: Living in the Aftermath of Tragedy. Crown Publishers.
Narrative Source: