Marcia Clark is aggressive, but breaks down in "American Crime Story: The People v O.J. Simpson" epiosde 6.

Entitled "Marcia, Marcia, Marcia," the next "American Crime Story" episode 6 promo features a poised Marcia as she tells Christopher Darden that she could tell the latter what was going to happen at the court that day, along with saying that she was prepared for anything. Johnie Cochran is also seen telling his co-lawyers on how to show beyond doubt that OJ is innocent. In the video, he said that the most important thing was the story, adding that they needed to be telling a better story.

According to International Business Times UK, Marcia's cases was becoming weak because Shapiro and his crew were querying the reliability of her evidences. Her superior told her that she was losing control, but she denied it and said that she would handle the case. She also told F. Lee Bailey that one could not get away with lying, as there were too many people watching.

The "American Crimes Story" episode 6 video concluded with Clark saying that the people would now call detective Mark Furhman, who is known to be one of the most intriguing people in the Simpson trial in real life. In an interview with The New York Post, he said that in the last 20 years, he had watched the facts dismissed by the media, journalists, and the people, since it did not suit within the politically right narrative.

"American Crimes Story" episode 6 "Marcia, Marcia, Marcia" aired on Mar. 8.

Watch the episode promo here.