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.

The first series, released in 2022, covered Jeffrey Dahmer with the follow-up second season, The Lyle and Erik Menendez Story, released in 2024. The former spent 7 weeks in the Netflix top 10, in addition to still ranking as Netflix’s fourth most-watched English-language series launch of all time .

According to multiple industry publications, Fall River’s most infamous resident will be the subject of Season 4 of “Monster,” the Netflix true crime anthology series created by superproducer Ryan Murphy that dramatizes some of America’s most sordid murder cases.