Elizabeth Olsen did confirm in an interview with Extra (1994) that Jessica Biel did reach out to her about them both filming their shows about the same true crime. Olsen did think it was sweet of Biel to reach out as they never met in real life.
In the first episode Candy and her daughter sing the song 'Hallelujah' behind the piano. The scene is set in 1978, a year before the song from the band Milk & Honey was released and won the Eurovision Song Contest.