CT Shooter Adam Lanza Had Personality Disorder

Adam Lanza, 20, the gunman in the Sandy Hook Elementary School shootings suffered from a personality disorder and might have been somewhat autistic. Adam Lanza lived with his mother in Connecticut, said a law enforcement official who was briefed on the investigation but was not authorized to publicly discuss it.

Parents and law enforcement on road leading to Sandy Hook Elementary School (WVIT TV)

A second law enforcement official says the boy's mother, Nancy Lanza is a teacher at the school and is presumed dead.

Adam Lanza's older brother, Ryan, 24, of Hoboken, N.J., was earlier being questioned by police, but is not believed to have any involvement in the rampage. Ryan Lanza told law enforcement that his brother was believed to suffer from a personality disorder and be "somewhat autistic."

The law enforcement official who said Adam Lanza had a possible personality disorder said Ryan Lanza had been extremely cooperative, was not believed to have any involvement in the rampage and was not under arrest or in custody, but investigators were still searching his computers and phone records. Ryan Lanza told law enforcement he had not been in touch with his brother since about 2010.

Earlier, a law enforcement official mistakenly transposed the brothers' first names.

Both officials spoke on the condition of anonymity because they were not authorized to speak on the record about the developing criminal investigation.

The first official said Adam Lanza is dead from a self-inflicted gunshot wound.

According to the second official, the suspect drove to the scene of the shootings in his mother's car. Three guns were found at the scene — a Glock and a Sig Sauer, both pistols — and a .223-caliber rifle. The rifle was recovered from the back of a car at the school. The two pistols were recovered from inside the school.

The official also said Lanza's girlfriend and another friend are missing in New Jersey.

Meanwhile, former Jersey Journal staff writer Brett Wilshe said he has spoken with Ryan Lanza of Hoboken, who told Wilshe the shooter may have had Ryan Lanza's identification.

Ryan Lanza has a Facebook page that posted updates Friday afternoon that read that "it wasn't me" and "I was at work."

Child Recounts Horrifying Escape From Gunman

Robert Licata said his 6-year-old son was in class when the gunman burst in and shot the teacher.

"That's when my son grabbed a bunch of his friends and ran out the door," he said. "He was very brave. He waited for his friends."

He said the shooter didn't utter a word.

Stephen Delgiadice said his 8-year-old daughter was in the school and heard two big bangs. Teachers told her to get in a corner, he said.

"It's alarming, especially in Newtown, Connecticut, which we always thought was the safest place in America," he said. His daughter was fine.

Mergim Bajraliu, 17, heard the gunshots echo from his home and ran to check on his 9-year-old sister at the school. He said his sister, who was fine, heard a scream come over the intercom at one point. He said teachers were shaking and crying as they came out of the building.

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