Hoaxers accomplish this false premise by cherry picking select DNA evidence results from the report instead of presenting the report in full and with the intellectual honesty of an actual researcher.
Further, they present only the "Supplemental Report" and hide the evidence from the primary DNA report.
Keith Johnson debunks Mr. Stosh's DNA presentation in "We Need to Talk About Sandy Hook".
Put your thinking caps on - this one is heavy; as expected of a DNA presentation
Keith Johnson's websites are http://newtownpostexaminer.com/ and http://sandyhookstalkers.wordpress.com/