Monster” Season 3 has yet to set a premiere date, but Season 4 of the hit Netflix anthology series is already in the works. Variety has learned from sources that a fourth season focused on the Lizzie Borden case is currently prepping for a potential fall shoot,

Previous seasons of the Ryan Murphy-produced "Monster" have focused on serial killer Jeffrey Dahmer and the Menendez brothers case. Erik and Lyle Menendez, convicted of killing their parents, were recently resentenced and became eligible for parole after more than three decades behind bars.

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.