Columbine, Colorado Columbine, Colorado Columbine is a census-designated place (CDP) in Arapahoe and Jefferson counties in the U.S. state of Colorado. Located mostly in Jefferson County, it lies immediately west of Littleton. The population was 24,280 at the 2010 census. Columbine High School, made infamous by the Columbine High School massacre in April 1999, is located in the community. The ZIP codes for the community are 80123 and 80128. Columbine is located on the eastern edge of Jefferson County at (39.587887, -105.069332), with a small portion extending east into Arapahoe County. Columbine is bordered to the east by Littleton and Columbine Valley,
She Said Yes: The Unlikely Martyrdom of Cassie Bernall She Said Yes: The Unlikely Martyrdom of Cassie Bernall She Said Yes: The Unlikely Martyrdom of Cassie Bernall is a memoir by Misty Bernall about the life of her daughter Cassie Bernall who was killed during the Columbine High School massacre on April 20, 1999. The book was published by Plough Publishing and released on September 1, 1999. The book spent five weeks on the New York Times Best Seller List, peaking at No. 8. The book was published a little over four months after the death of Cassie Bernall in the Columbine High School Massacre. The book details the