William Dathan Holbert, also known as "Wild Bill," is an American criminal who became infamous for his involvement in a series of murders and financial crimes in Panama.www.unforbi...

Mark E. Safarik is a retired Supervisory Special Agent who served 23 years with the FBI, including 12 years as a criminal profiler in the Behavioral Analysis Unit (BAU). He co-foun...

William Harder is known for his controversial collection of items associated with notorious criminals, a hobby often referred to as "murderabilia." His collection includes letters,...

Steve Lynn Nicholson is a Michigan man convicted of two counts of homicide and child abuse following the deaths of his two young children in October 2010. At the time, Nicholson wa...

The Narco-Satánicos were a notorious criminal cult based in Matamoros, Tamaulipas, Mexico, that became infamous in the late 1980s for combining drug trafficking with ritualistic ki...

Tamra Tillbrook died by suicide on May 6, 2025. In this interview, we speak with her sister, Nicole, who shares insight into the circumstances that led up to Tamra’s tragic death—a...