Adam Lanza fired 155 bullets in less than five minutes on the day he killed 20 children and six adults at Sandy Hook Elementary School, court documents have revealed.
NBC reports the total shots fired included 154 fired from a Bushmaster .223-model rifle and a final bullet, fired from a Glock 10mm handgun, that Lanza used to take his own life.
Three Samurai swords were also recovered from the Newtown, Connecticut home that Lanza shared with his mother, authorities said as they released search warrants from the second-worst school shooting in American history.
More top news
A great-great-great-grandmother has become an unlikely star at the age of 93 after her grandson shared a video of her dancing to rap music.
Here's everything you need to know about the Libyan crisis and the announcement of a new national unity government.
Russia will pay the price for launching air strikes to prop up the Assad regime, the US defence secretary has warned.