Mr Neil said that according to the source , the report will say its inspectors have not even unearthed " minute amounts of nuclear , chemical or biological weapons material " .
According to the BBC , the group 's interim report will say its inspectors have not even unearthed " minute amounts of nuclear , chemical or biological weapons material " .
Moffitt said the results need to be replicated in another study before testing of individuals for presence of the long or short versions of the gene will be pursued .