Police found a smashed computer hard drive along with the gun safe in the room they believed to be Adam Lanza's bedroom, court papers have revealed.
One person interviewed by the FBI described Lanza as "a shut-in and avid (computer) gamer who plays Call of Duty amongst other games."
FBI agents were also told the Sandy Hook Elementary School was his "life."
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The mum wrote the emotional letter after her eight-year-old with Down's syndrome was the only child in his class not invited to a party.
More than 1,800 litter pickers will clear an estimated 57 tonnes of reusable items and half a million sacks of rubbish.
Time for Project Let's-Make-the-Best-of-it.