- Dr. H.H. Holmes & the “Murder Castle” 5 February 2021
- Herbert Baumeister & the Mannequins 8 May 2021
- Israel Keyes & His Murder Kits 12 March 2021
- Liu Yongbiao 2 April 2021
- Mark “Gator” Rowgoski: Skateboarder to Murderer 30 July 2021
- Michael Hernandez: Middle School Murder 25 June 2021
- UPDATED: Raul Hernandez Perez: soldier, husband… and killer? 11 June 2021