Gunman Adam Lanza killed himself and 27 others in December 2012 . In another , she writes , `` I was off to a rough start . The shooter was identified as 20-year-old gunman Dylan Klebold who had been expelled from high school for disciplinary reasons. Report discusses Lanza 's school work and his relationship with his parents .
Gunman Adam Lanza killed himself and 27 others in December 2012 . The shooter was identified as 20-year-old gunman Dylan Klebold who had been expelled from high school for disciplinary reasons. Report discusses Lanza 's school work and his relationship with his parents .