New York (CNN) A parent of a slain student won a civil lawsuit against two deniers of a 2012 mass shooting who published a book called "Nobody Died At Sandy Hook."

Lenny Pozner had sued James Fetzer and Mike Palecek for defamation in November, documents show.

The suit focused on claims, both in the book and in Fetzer's blog, that Pozner had circulated a false birth certificate for his son Noah, one of the 20 children and six adults killed in the elementary school massacre.

Judge Frank D. Remington of the Dane County Circuit Court in Wisconsin signed an order on Tuesday finding that the statements published by the two men were in fact defamatory. Fetzer lives in Wisconsin.

The judge granted Pozner's motion for summary judgment, allowing the case to proceed to a trial by jury to determine the damages.

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