The first season, subtitled ', presented the murder trial of O. J. Simpson, based on Jeffrey Toobin's book "The Run of His Life: The People v. O. J. Simpson". It premiered on February 2, 2016. The second season, subtitled ', explored the murder of designer Gianni Versace by spree killer Andrew Cunanan, based on Maureen Orth's book "Vulgar Favors: Andrew Cunanan, Gianni Versace, and the Largest Failed Manhunt in U.S. History". The season premiered on January 17, 2018, concluding on March 21, 2018.