Connecticut gunman sought to kill as many children as possible
(CBS News) NEWTOWN, Conn. - Police say it's clear that the gunman who opened fire at Sandy Hook Elementary School Friday was on a mission to kill as many people as possible. He took at least three guns and multiple clips of ammunition to target a defenseless elementary school and children as young as five.
Police say 20-year-old Adam Lanza was armed for a mass murder when he attacked a target he knew very well.
Lanza, whose mother was a teacher at Sandy Hill Elementary arrived in the school parking lot driving his mother's Black Honda.
He was carrying two lethal semi-automatic handguns: a Sig Sauer, the type of gun carried by Secret Service agents, and a Glock 9mm, a model used by many police officers and federal agents across the United States.
Officials say Lanza headed directly for a specific section of the school and opened fired, killing students in two classrooms. It is not known how many rounds he fired, but both guns are capable of carrying high-capacity extended clips, which can hold up to 30 rounds.
Police Lieutenant Paul Vance said evidence teams are still working through the horrible scene.
"We'll be here through the night, certainly through the weekend. We are not even putting a time stamp on when we will complete this project," Vance said.
Lanza died of a self-inflicted gunshot inside the school. But investigators suspect he may have intended to carry out a broader attack.
A third gun, a .223 assault rifle, was found outside the school in the back of his mother's car. It's similar to the type of gun used in the shooting on Tuesday at a mall outside of Portland, Oregon. CBS Correspondent John Miller reports said the guns were registered under her name.
Lanza's older brother, Ryan, is still being questioned by police who want to know what he might have known about the attack.
Sources say at this point he is not a suspect.
Investigators say they now believe the killing spree began at the home Lanza shared with his mother, who was a kindergarten teacher at the school.
CBS correspondent John Miller reports that Adam had the bigger personality of the two brothers. Ryan, 24, was the quiet one, went to business school and lived in New Jersey. Investigators believe that this shooting was the result of a conflict between he and his mother that was developing for a long time -- killing her and then killing what she loved most -- her students.
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