Adam Lanza kept violent video games and articles describing various mass-shootings in his bedroom, the report into the Sandy Hook massacre revealed.
Previously unseen images from inside the gunman's home show more guns and ammunition as well as edged weapons, knives, swords and spears. The photographs also show Lanza's bedroom windows taped over with black bin bags.
More top news
Newly-released documents reveal how British spymasters used an enticing female agent to test the mettle of rookie spies.
Researchers studying the King's remains believe he died after sustaining numerous blows to the head.
Edinburgh and its institutions have been at heart of the Union since it came about in 1707, here we look at the city's history.