Never before seen pictures of Adam Lanza

Months after the elementary school shooting left dozens dead, little is known about the quiet shooter who killed his mother before driving to the school.

Adam Lanza

Adam Lanza in 2008, when he was in the 10th grade at Newton High School. Adam joined the tech club in high school, but withdrew from school when he was 16. (Frontline)

Adam Lanza

Adam Lanza in 2008, when he was in the 10th grade at Newton High School. One of Adam's teachers said he had "episodes" when he became completely silent and withdrawn, but appeared to be making progress socially in school. (Frontline)

Adam Lanza

Adam Lanza wearing a skeleton costume, Halloween 1995. Adam was diagnosed with sensory integration disorder a few years after this photo was taken. (Frontline)

Adam Lanza

Adam Lanza (second row, second to left) posing with his first grade class at Sandy Hook Elementary in 1999. (Frontline

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