Angel Maturino Reséndiz, also known as The Railroad Killer, was a Mexican itinerant serial killer suspected in as many as 23 murders across the United States and Mexico during the 1990s.

Denyer became known in the media as the Frankston Serial Killer as his crimes occurred in the neighboring suburbs of Frankston. Later, during his imprisonment, when aged around 30, Denyer began identifying as a transgender woman but was refused permission by prison authorities to wear make-up, receive sex reassignment surgery, or legally alter his name.

Cary Anthony Stayner is an American serial killer and the older brother of kidnapping victim Steven Stayner. He was convicted of the murders of four women between February and July 1999: Carole Sund, her teenage daughter Juli Sund, and their teenage traveling companion Silvina Pelosso; and Yosemite Institute naturalist Joie Ruth Armstrong. The murders occurred in Mariposa County, California, near Yosemite National Park. Stayner was sentenced to death for the four murders and is still on death row at San Quentin Penitentiary in California.

Audrey Marie Hilley was an American serial killer. Her life and killing spree are the subjects of the 1991 telefilm Wife, Mother, Murderer. She used poison to murder her victims, worked as a secretary, and loved spending money she didn't have.

Winston Moseley was a serial killer from Ozone Park, Queens, and worked at Remington Rand, as a tab operator, preparing the punched cards used at that time for data storage for digital computers. He was married with three children and had no criminal record. His last victim, Kitty Genovese was one of the main reasons 911 exists today. 38 people witnessed the murder and nobody helped or called the police.

Thomas Lee Dillon was an American serial killer who shot and killed five men in southeastern Ohio, beginning April 1, 1989, and continuing until April 1992. He killed at random, didn't know any of his victims, and didn't leave any evidence, making it very hard to catch.

The Burke and Hare murders were a series of 16 killings committed over a period of about ten months in 1828 in Edinburgh, Scotland. They were undertaken by William Burke and William Hare, who sold the corpses to Robert Knox for dissection at his anatomy lectures.

In this podcast, we delve into the disturbing case of Roy DeMeo, a notorious killer known as the "Butcher of Gemini Lounge." Between the 1970s and 1980s, DeMeo was a member of the Gambino crime family and is believed to have murdered at least 80 people, many of whom were dismembered in the basement of the Gemini Lounge, a Brooklyn bar owned by the family.

Donald Harvey was an American serial killer who claimed to have murdered 87 people, though official estimates are between 37 and 57 victims. He was able to accomplish this during his time as a hospital orderly.

Robert Joseph Long, also known as Bobby Joe Long, was an American serial killer and rapist who was executed for the murder of Michelle Denise Simms. Long abducted, sexually assaulted, and murdered at least 10 women in the Tampa Bay Area in Florida during an eight-month period in 1984. He released one of his last victims, 17-year-old Lisa McVey, after raping her over a period of 26 hours. McVey provided information to the police that enabled them to track him down.