The actress knew little about the sensationalized Menendez brothers' case before getting cast as the defense attorney, but she dove in headfirst to deliver a nuanced version of the real-life woman.

The centerpiece of Ryan Murphy and Ian Brennan's dramatization of the Menendez murders was filmed over two days, as Koch's Erik Menendez details the years of sexual, physical and mental abuse he claims drove him to patricide.

Netflix stars Cooper Koch and Ari Graynor break down what went into filming Monsters: The Lyle and Erik Menendez Story Episode 5.

For each of the two days they shot The Hurt Man episode of Monsters, Cooper Koch performed four run throughs of the continuous shot (meaning he did it eight times in total). He described the experience as “exhausting.”

Monsters' star Cooper Koch explains how the Netflix approached the single-take Episode 5 of the Menendez Brothers series.

Erik Menéndez wants to watch Cooper Koch's portrayal of him — specifically in the critically acclaimed episode The Hurt Man — despite publicly denouncing Ryan Murphy's Monsters. Koch, 28, recalled speaking with Menéndez,

Koch and co-star Nicholas Chavez discuss with IndieWIre their takeaways from playing two convicted killers and the mixed reaction to Ryan Murphy's latest true-crime tale.