Borden would be the first season to focus on an accused killer who was ultimately acquitted of the crime. Does that make her a Monster? It’s hard to say, but her father, Andrew, and stepmother, Abby Gray,

Ryan Murphy and Netflix are in the process of developing a fourth installment of "Monster" that will follow Lizzie Borden.

Ahead of the premiere of Monster Season 3, Netflix is already prepping a fourth installment of the true-crime franchise from creators/executive producers Ryan Murphy and Ian Brennan, sources confirm to Deadline.