AP source: Suspect in Connecticut school shootings is 20-year-old Adam Lanza; older brother being held

WASHINGTON (AP) - A law enforcement official says the suspect in the Connecticut school shootings is 20-year-old Adam Lanza and that his 24-year-old brother, Ryan, is being held for questioning as a possible second shooter. The law enforcement official says the boys' mother, Nancy Lanza, works at the school as a teacher.

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

Speaking on condition of anonymity, the official said the suspect is dead from a self-inflicted gunshot wound.

The official spoke on the condition of anonymity because the source was not authorized to speak on the record about the developing criminal investigation.