India, June 24 -- A teenager has been identified as the shooter who killed two people at a library in Northern California, just a day after he graduated from high school.

Bradley is an 18-year-old and he allegedly opened fire inside the Chico branch of the Butte County Library which killed two people and injuring a child. Police has released his mugshot.

Sayer reportedly held an obsession with the Columbine school massacre before the shooting, according to the New York Post.

The teen had just graduated from Chico High School. A video from his graduation day showed him looking miserable as he got his diploma before shaking his head as he walked off the stage, the New York Post reported.

Police responded to a 911 call soon after 5pm loc...