The Staircase (2018) is a gripping documentary series that follows the story of Michael Peterson, a novelist accused of murdering his wife in 2001. The series follows the twists and turns of the case as Peterson and his legal team attempt to prove his innocence. Through interviews with those involved,
From Wikipedia
A staircase or stairway is a flight or series of flights of stairs. It is used to connect walkways between floors so that one can move in height. A stairwell is a shaft in a building where a staircase is located. In buildings with several housing units, a stairway can be a necessary common area for getting to and from apartments.