Elias Abuelazam is a suspect of racially-motivated serial killings and stabbings. He is suspected in a string of eighteen stabbing attacks from May to August 2010 which resulted in five deaths.

Dorthea Helen Puente has a rough upbringing, a peculiar life, and the crimes she comes to commit are no different.

The Harrelson family is seemingly perfect. The father in the family, Harold, is a well respected surgeon, he has a loving and caring wife, three beautiful children. Their life, to everyone on the outside, is picture-perfect. However, all of this would change on the night of December 6, 1959 at 4:30 in the morning. Harold would bludgeon his wife to death, attempt to kill his eldest daughter, and then commit suicide. The perpetrator is clear, the motive, not so much.

John George Haigh has been convicted for fraud twice, by the second time he learns he can't leave his fraud victims alive to tell the tale. He decides that he must kill his fraud victims and the method he chose, dissolving his victims in acid...

Dennis Rader seems like your average guy. He has a family, a good job, he is the president of his church council, and a boy scout troop leader. However, things aren't always as they seem. Behind the scenes Dennis is the notorious BTK (bind, torture, kill) Killer.

June Gibbons and Jennifer Gibbons were identical twins who grew up in Wales. Bullying in their young years caused them to be secluded, and cast out. This caused the twins to speak only to one another in a language they created. However, both girls had underlying feelings of hatred towards one another. They ended up turning to petty crimes, where they ended getting admitted to the mental institute. In the end Jennifer died a peculiar death, but it was deemed only natural. However, the suspicious circumstances around it continue to raise eyebrows.

Amelia Elizabeth Dyer was one of the most prolific serial killers in history, murdering infants in her care over a 20-year period in Victorian Britain. Trained as a nurse, and widowed in 1869, she turned to baby farming—the practice of adopting unwanted infants in exchange for money—to support herself. 

On the morning of November 17, 1991, Sam Katanis placed a 911 call telling police his son was bleeding, his fingers chopped off. When they arrive they find Sam in the midst of a grisly scene. The bodies of his wife and three children are found, beaten and stabbed. Sam seems to be the clear murderer, but not everything is what it seems...

Dorothy Jane Scott is a loving single mother whose life seems pretty normal. Until she begins receiving threatening calls from an unknown stalker.  These calls soon turn physical when Dorothy Jane Scott goes missing. Only to have her bones found four years later.

Graham Fredrick Young's unhealthy fascination with toxicology causes him to experiment on everyone around him, and the consequences are deadly.