Gun message board poster believed to be Adam Lanza

Names of the victims of the shooting at Sandy Hook Elementary School are seen on crosses at a memorial in Sandy Hook Village in Newtown, Connecticut, December 18, 2012. Credit: Getty Images
Names of the victims of the shooting at Sandy Hook Elementary School are seen on crosses at a memorial in Sandy Hook Village in Newtown, Connecticut, December 18, 2012. Credit: Getty Images

Sandy Hook Elementary School shooter Adam Lanza, reportedly had deep knowledge about guns and ammunition, and often times edited Wikipedia articles about mass murders, according a new report by the Hartford Courant.

Posts on gun message boards and gaming chat rooms posted under a screen name are believed to be written by Lanza.

According to the Courant, investigators linked the online posts to Lanza, but newspaper chose not to publicize the screen name.

In the posts believed to be Lanza’s he shows a technical expertise about weapons and computers. The Courant also reports the gunman had a “near-fixation with correcting Wikipedia articles about mass killers.”

In a number of instances the poster, believed to be Lanza, questions Connecticut’s assault-gun ban. On a thread on the website in October 2009, the poster asked whether a ban on a “certain semi-automatic pistol might extend to other weapons,” according to the Courant.

Someone with the same user name linked to Lanza also made revisions to 12 Wikipedia entries about mass massacres. The posts, which were written between August 2009 and February 2010, included revisions to posts about mass murders around the world.

According to the Courant, a Wikipedia spokesman said the website could not identify the poster due to privacy policies. Investigators are now searching the connection between the two identical screen names.

On December 14, 2012, Lanza shot hit mother to death then drove to Sandy Hook Elementary School in Newtown, Connecticut, and shot his way through the front entrance. Once inside, Lanza fired 154 shots, killing 20 first-graders and six women. He then turned the gun on himself as police were ente


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