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'No conclusive motive' in Sandy Hook massacre

Adam Lanza had "significant mental health issues," says a new report, which also states that he acted alone. No explanation would make the shooting explicable.
/ Source: MSNBC TV

Adam Lanza had "significant mental health issues," says a new report, which also states that he acted alone. No explanation would make the shooting explicable.

There could never be a rational explanation for gunning down a classroomful of small children. But the search for at least an official answer to the question “why” ended on Monday afternoon, when investigators in Newtown, CT., said that shooter Adam Lanza had “no conclusive motive.” The report also concluded that Lanza acted alone in murdering 20 first-graders and six educators at Sandy Hook Elementary School last December. 

The 20-year-old “had significant mental health issues that, while not affecting the criminality of the shooter’s mental state for the crimes or his criminal responsibility for them, did affect his ability to live a normal life and to interact with others,” the Office of the State’s Attorney for the Judicial District of Danbury said in the summary report

There was no indication of why chose Sandy Hook Elementary School as his target, “other than perhaps its close proximity” to his home, according to the results of the nearly year-long investigation.

also shot his mother, Nancy, before driving to the 600-student elementary school on the morning of Dec. 14. Evidence indicates that he planned his actions, including the fatal self-inflicted gunshot wound.

The 48-page document did not include photos of the victims. Before the six-month anniversary of the tragedy, their families persuaded Connecticut lawmakers to refrain from releasing the crime scene photos. The bill, signed by the Connecticut State House, Senate, and Gov. Dannel , also places a one-year ban on releasing audio recordings that describe any of the victims’ conditions, with the exception of emergency phone calls.

Officials found several video game systems inside the Lanza household. The gunman was known for playing the first-person shooter game Call of Duty, according to a previous FBI report.

The Lanza house contained more than 1,600 rounds of ammunition for multiple weapons, including the rifle and handgun he used to carry out the massacre in less than five minutes. The previously released report disclosed other findings inside the home, including a holiday card with a check from his mother to buy a firearm and a New York Times article about a 2008 school shooting at Northern Illinois University,

A full toxicology report released last month revealed that no substances were found in Lanza’s body, according to NBC News.

Students haven’t stepped inside Sandy Hook Elementary School since the shootings. They finished the academic year at the vacant Chalk Hill Middle School in nearby Monroe, where they also currently attend classes.

Construction crews last month began razing the Sandy Hook school after the town voted to rebuild on the same property. Nothing will stand where the massacre happened.

The tragedy was the second-worst school shooting in American history;  a gunman killed 32 people at Virginia Tech on April 16, 2007. It renewed a nationwide debate about gun control. President Obama outlined and signed a 23-point gun-control order a month after the shooting. He also recently announced the new parity rule that will grant Americans the same mental health and addiction coverage as coverage for physical ailments.

Connecticut’s Democratic Gov. Malloy earlier this year signed a gun-control bill that requires universal background checks for all firearms purchasers and adds more than 100 firearms to the state’s previously existing list of banned weapons.

Click here to read the full report published on the State of Connecticut Division of Criminal Justice website.