Disturbing new details surface in Newtown shooting case

Posted at 10:29 AM, Mar 29, 2013
and last updated 2013-03-29 10:29:55-04

Detectives searching for a motive in the deadly Newtown school shooting now have new evidence from Adam Lanza’s home.

They executed warrants and recovered more than 1600 rounds of ammunition from the home Lanza shared with his mother.

There were also several types of guns, samurai swords, knives and a check written by Nancy Lanza to her son for the purchase of another gun.

Cops say Adam used one of those guns to kill his mother before shooting up the Sandy Hook Elementary school.