Responsible for the Sandy Hook Elementary School massacre, where he shot teachers and young children.
He was an honors student in high-school, however he also suffered from autism and often went to the gun-range with his mother Nancy.
He was home-schooled by his mother and was a student at Sandy Hook Elementary School for a short period of time.
His parents were divorced, but his father still paid a great sum of alimony as VP of Taxes for GE. His mother, Nancy Lanza, was a gun enthusiast, and he had a brother Ryan who he had not spoken to in years.
His crimes caused Barack Obama to call for greater gun control in America.