AP source: US suspect drove to mother’s school

Law enforcement canvass the area following a shooting at the Sandy Hook Elementary School in Newtown, Conn., about 60 miles (96 kilometers) northeast of New York City, Friday, Dec. 14, 2012. An official with knowledge of Friday’s shooting said 27 people were dead, including 18 children. AP Photo/Jessica Hill

WASHINGTON— The suspect in U.S. school shooting is Adam Lanza, 20, the son of a teacher at the Connecticut school, a law enforcement official said Friday. A second law enforcement official said the mother, Nancy Lanza, was presumed dead.

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

Adam Lanza’s older brother, Ryan, 24, was being questioned by police, the first official said. 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.

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

The official also said Lanza’s girlfriend and another friend were missing in New Jersey.

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Associated Press writers Adam Goldman in Washington and Samantha Henry in Newark, New Jersey, contributed to this report.