Pelley good evening. Nearly a year after adam lanza murdered 20 first graders and six adults at Sandy Hook Elementary School in newtown, connecticut, we know more tonight about what happened that day but not the one thing Everyone Wants to know why he did it. The final prosecutors report out late today says lanza had Significant Mental Health issues but was under no extreme emotional disturbance that would explain his actions. The report said lanza had a fascination with Mass Shootings and firearms but he displayed no aggressive or threatening tendencies. Along with the report, prosecutors released this photograph of lanzas bushmaster semiautomatic rifle. We have more now on this report from elaine quijano. Reporter this is the shattered front glass window shot out by adam lanza so he could entered enter the locked Sandy Hook Elementary School. The report says it was 9 35 39 when Police Received the first 911 call. Sandy hook school caller is indicating someone is shooting in the build