Monsteris a Netflix series created by Ian Brennan and media mogul Ryan Murphy, the man behind hits like American Horror Story, American Crime Story, and Glee, the latter of which he also created with Brennan. Each season of the show profiles a different murderer from American history: the first season revolved around Jeffrey Dahmer, the second focused on Lyle and Erik Menendez, and the third was about serial killer Ed Gein.