Netflix documentary, American Murder: The Family Next Door, but there was a chilling detail producers didn't include. Not only did Chris withstand seven hours of questioning about where they might have vanished to, knowing full well they were all dead at his own hands - but his scores left cops and the polygraph operator gobsmacked.His scores came back at minus 18 - the accepted score for someone lying is around minus four.Chris only confessed to the murder of his wife and children after he was told of his shockingly low score.He confessed he was "not a good man" and dumped his daughters' bodies in a "freakin' oil tank".
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