Jefferson County officials show Mike Zinna that what goes around comes around.
Are Columbine's remaining secrets too dangerous for the public to know -- or too embarrassing for officials to reveal?
A long-hidden document helps clear a Denver cop -- and raises new questions about the official version of the Columbine attack.
Playing hide-and-seek with the truth -- the Jeffco way.
The sheriff's office responds.
Two years after the shootings, 60 Minutes brings Columbine back to prime time -- and local officials get camera-shy.