Don’t come to The Staircase expecting certainty. French filmmaker Jean-Xavier de Lestrade’s Peabody-winning documentary series, which originally aired in 2004, with updates added in 2013 and 2018, is a study in ambiguity. Across 13 episodes, it traces the long legal saga of Michael Peterson, an author charged with murder after his wife Kathleen died on…

HBO Max’s The Staircase Is So Much More Than a Rehash of the Classic True-Crime Docuseries