This undated photo shows Adam Lanza posing for a group photo of the technology club which appeared in the Newtown High School yearbook. Authorities have identified Lanza as the gunman who killed his mother at their home and then opened fire Friday, Dec. 14, 2012, inside an elementary school in Newtown, Conn., killing 26 people, including 20 children, before killing himself. Richard Novia, a one-time adviser to the technology club, verified that the photo shows Lanza. (AP Photo)
(AP)—Connecticut's chief medical examiner says he's seeking genetic clues to help explain why a shooter killed 20 children and six adults in a Newtown elementary school.
Dr. H. Wayne Carver tells The Hartford Courant that he wants to know if there is any identifiable disease associated with the behavior of the shooter, Adam Lanza. He is working with the University of Connecticut department of genetics.
Paula Levy, a mediator who worked with Lanza's parents during their divorce, has said Lanza was diagnosed with Asperger's syndrome, an autism-like disorder.
Carver says Asperger's is not associated with violent behavior. He says he's not considering it as a reason for Lanza's rampage on Friday.
Carver is awaiting toxicology testing results for Lanza and other information.
Lanza fatally shot himself as first responders approached the school Friday morning.
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