An American Murder Mystery: The Staircase (2018... -

Argued that Michael beat Kathleen to death with a blunt instrument, possibly a "blowpoke".

The series is structured to build mystery through specific, shocking revelations: The "Owl Theory" - David S. Rudolf An American Murder Mystery: The Staircase (2018...

Investigators found an extraordinary amount of blood, which they believed was inconsistent with a simple accidental fall. Argued that Michael beat Kathleen to death with