We're going to begin today with a chilling look into the world of Adam Lanza — the 20 year-old man who allegedly show and killed 20 first graders and six adults at the Sandy Hook Elementary School in Newtown, Connecticut last December.
A report released late yesterday by the state's attorney in Danbury does not answer the question, why did he do it? But it does offer a stark portrait of a young, troubled man responsible for one of he nation's worst mass shootings.
Michael Rich, associate professor of pediatrics at Harvard Medical School and Associate Professor of Society, Human Development, and Health at Harvard School of Public Health.
You can find a copy of the final report on the Newtown shootings here.
This segment aired on November 26, 2013.