August 12, 2003 - The families of victims Daniel Rohrbough, Kelly Fleming, Matt Kechter, Lauren Townsend, and Kyle Velasquez settle a wrongful death lawsuit against parents Susan and Thomas Klebold and Wayne and Katherine Harris, in which the victims' families claim that the suspects' parents should have known what their sons were up to before the shootings. The terms of the settlement have not been released.
October 22, 2003 - Home video of the two suspects is released by authorities. In the video, made six weeks before the murders, the suspects are seen in a forested area shooting at bowling pins.
February 26, 2004 - Colorado Attorney General Ken Salazar releases an investigative report about the attack. Authorities also release thousands of pages of documents and physical evidence.
September 21, 2007 - The Columbine Memorial, adjacent to Columbine High School, is dedicated and opened to the public.