BUTTE COUNTY, Calif. (NBC, KYMA) - The 18-year-old man accused of a deadly shooting at the Chico Library appeared in court Thursday. Bradley Scott Sayer appeared in Butte County Superior Court in connection with the shooting that left two people dead and others injured. "There's things that lead us to believe that he was a fan of Columbine. He had gone down the unfortunate rabbit hole of the internet and into chat rooms that were fan rooms for m…