NEWTOWN, Conn. - Adam Lanza was equipped with an assault rifle and two handguns inside Sandy Hook School, Conn. State Police said. An additional weapon, a shotgun, was found in Lanza's vehicle outside the school.
Sunday was also the first official confirmation that Lanza was the shooter who killed six adults and twenty children inside the school.
According to Connecticut State Police Lt. Paul Vance, Lanza had multiple high-capacity magazines for the Bushmaster AR-15 rifle. Those high-capacity magazines held 30 rounds each, Vance said.
Lanza also had multiple magazines for the Glock 10mm and Sig Sauer 9mm handguns.
As a result, Vance said, Lanza was armed with "hundreds of bullets."
Saturday, Connecticut medical examiner Dr. H. Wayne Carver said the 7 victims he examined had each been shot between three and eleven times. He also said he believed each victim was shot multiple times.
If the three-to-eleven shot estimate is accurate for each victim, and Lanza used only 30-round magazines, he would have used between four and ten magazines.
State Police refused to comment on precisely how many magazines were emptied or shell casings were found, but said they had collected those items for examination.
Still, the shooting ended while Lanza still had enough unused ammunition to carry out significant additional carnage.
"There was a lot of ammo, a lot of clips," State Police Lt. Paul Vance. "Certainly a lot of lives were potentially saved."
Vance said Lanza used one of the handguns to take his own life, but wouldn't speculate on when or why Lanza decided to end his spree.
Early in the Sunday afternoon statement, Vance also confirmed that the shooter's mother, Nancy Lanza, was the victim found at an alternate location. She was shot four times in the head and found in her bed wearing pajamas, said a state official who was not authorized to disclose details of the investigation and spoke to the Associated Press on condition of anonymity.
Education officials said they had found no link between Lanza's mother and the school, contrary to news reports that said she was a teacher there. Investigators said they believe Adam Lanza attended Sandy Hook many years ago, but they had no explanation for why he went there Friday.
As President Barack Obama prepared a visit and churches opened their doors to comfort a grieving town Sunday, federal agents fanned out to dozens of gun stores and shooting ranges across Connecticut, chasing leads they hoped would cast light on Lanza's life.
Among the questions: Why did his mother, a well-to-do suburban divorcee , keep a cache of high-power weapons in the house? What experience did Lanza have with those guns? And, above all, what set him on a path to go classroom-by-classroom, massacring 6- and 7-year-olds?
At St. Rose of Lima Roman Catholic church in Newtown, Jennifer Waters, who at 6 is the same age as many of the victims and attends a different school, came to Mass on Sunday in Newtown with a lot of questions.
"The little children — are they with the angels?" she asked her mother while fiddling with a small plastic figurine on a pew near the back of the church. "Are they going to live with the angels?"
Her mother, Joan, 45, assured her they were, then put a finger to her daughter's lips, urging her to be quiet.
An overflow crowd of more than 800 people attended the 9 a.m. service at the church, where eight children will be buried later this week. The gunman, Adam Lanza, and his mother also attended church here. Spokesman Brian Wallace said the diocese has yet to be asked to provide funerals for either.
Boxes of tissues were placed strategically in each pew and on each window sill. The altar was adorned with bouquets, one shaped as a broken heart, with a zigzag of red carnations cutting through the white ones.
In his homily, the Rev. Jerald Doyle, the diocesan administrator, tried to answer the question of how parishioners could find joy in the holiday season with so much sorrow surrounding them.
"You won't remember what I say, and it will become unimportant," he said. "But you will really hear deep down that word that will finally and ultimately bring peace and joy. That is the word by which we live. That is the word by which we hope. That is the word by which we love."
Police outside the school shortly after arriving on scene of the shooting December 14. Hackers claiming to be associated with the internet activist group Anonymous have attacked the website belonging to the  (WBC) and hacked into the  account belonging to , the Church's spokeswoman. The attacks are part of an operation dubbed '#OpWestBor' on Twitter and is in response to the Church's decision to picket funerals of victims of the December 14 shooting at  in , Connecticut.

"Westboro will picket Sandy Hook Elementary School to sing praise to God for the glory of his work in executing his judgment," said Phelps in a post to her Twitter account on Saturday.

On Sunday, in a video posted on , Anonymous announced their intentions saying, "From the time you have received this message, our attack protocol has past been executed and your downfall is underway. Do not attempt to delude yourselves into thinking you can escape our reach, for we are everywhere, and all-seeing, in the same sense as God. ... We will render you obsolete. We will destroy you. We are coming." The Church's website has been unreachable for most of the day. At the time of this report, the website was unreachable. As a result of the breach, Anonymous claims to have gained access to and leaked alleged personal information such as names, home addresses and telephone numbers belonging to Church members.

Also as part of the operation, early yesterday morning, a member of Anonymous called 'CosmoTheGod' hacked the Twitter account belonging to Phelps, posting a 'tweet' saying, "This account is now being ran by @CosmoTheGod #UGNazi #oops." As of this report, Anonymous still has control of it.

This isn't the first time hackers took control of the Church's website. In 2011 the Church blamed Anonymous for circulating a letter claiming an attack on the Church's website was imminent and blamed them for taking down their website in an earlier attack, something the group denied. Shortly after the incident, user "th3j3st3r" on Twitter claimed responsibility for circulating the letter and the initial attack. When Phelps and one of the group's members were interviewed on live television shortly thereafter, she denied hackers could break into their website or take it offline. However; during the interview, Anonymous hacked into the Church's website, defaced it and took it offline.

"I was just going to say in the time that Shirley was blabbing her religious preachings I actually did some business and I think if you check downloads.westborobaptistchurch right now you’ll see a nice message from Anonymous", said Anonymous nine minutes into the interview.

On December 14, a gunman identified as 20 year-old Adam Lanza killed his mother Nancy then went into Sandy Hook Elementary school carrying a Bushmaster  rifle and two other handguns, where he opened fire killing 26 people, 20 of them children between the ages of five and ten years old. Shortly after the incident, Lanza shot himself, committing suicide.