Suspected California library gunman influenced by Columbine shooting and wore matching shirt, officials say

An 18-year-old man, Bradley Scott Sayer, opened fire at a Northern California library, killing two people and injuring others. Officials stated he was influenced by the 1999 Columbine High School shooting and wore a shirt referencing it. Sayer, who had no known connection to the victims or the library, was arrested within minutes of the shooting.