In a new Hulu docuseries, Keith Papini shares more troubling claims about his ex, who later admitted to faking her 2016 disappearance. New allegations about the staged disappearance of Sherri Papini have come to light following the rollout of a new docuseries about the infamous 2016 case. In Hulu’s “Perfect Wife: The Mysterious Disappearance of Sherri Papini,” Keith Papini claims …