Accident or Murder? The Petersons seemed like the ideal couple: well-respected, prosperous and happy. All that came crashing down December 2001, when Kathleen apparently fell to her death in their secluded home. But blood-spattered evidence and a missing fireplace poker suggested calculated, cold-blooded murder. Her trusted husband, Michael, stood accused. So what did happen on the staircase that fateful night?This is the inside look at the Michael Peterson case. It will make you question everything you’ve seen before. ‘The Staircase is an emotionally riveting drama, but it is nowhere near the whole truth. If anybody wants to know the whole story, read Fanning’s Book’ Ann Christensen, Michael Peterson's sister

Accident or Murder? The Petersons seemed like the ideal couple: well-respected, prosperous and happy. All that came crashing down December 2001, when Kathleen apparently fell to her death in their secluded home. But blood-spattered evidence and a missing fireplace poker suggested calculated, cold-blooded murder. Her trusted husband, Michael, stood accused. So what did happen on the staircase that fateful night?This is the inside look at the Michael Peterson case. It will make you question everything you’ve seen before. ‘The Staircase is an emotionally riveting drama, but it is nowhere near the whole truth. If anybody wants to know the whole story, read Fanning’s Book’ Ann Christensen, Michael Peterson's sister