A child caretaker who changed Danish history; Dagmar Overbye was one of the only three women to be charged with a death sentence in the 20th century. She brutally murdered up to 25 children who were in her care. Her story is the type that makes people question the safety of letting others watch after their kids. 

The Whitechapel district in the East End of London was terrorized for years by a mysterious killer nicknamed Jack The Ripper. Jack The Ripper's real identity is one of the most well debated topics in Serial Killer History. This episode brings to light a few theories on what type of person could have committed the horrible homicides, what his reason may have been, and what crimes Jack The Ripper committed. Although his actual identity may never be discovered, his crimes are just as unlikely to be forgotten. 

Edward Rulloff led, debatably, the most interesting double-life in history. Granted, he was such an interesting man that his brain is even displayed at a New York college. He was a lawyer, yet a criminal. A teacher, yet thief. A doctor, yet a serial killer. If you want to hear more about this complex man, check out this episode. 

The Serial Killer who was caught after death. It is assumed he murdered around 5 people, although until his coworker killed him, this evidence was undiscovered. Wayne Nance picked the wrong home to break into and paid with his life. His coworker was a hero and many unsolved murders and crimes now had a lead suspect. 

Has anyone ever irritated you to the point where you wanted to throw them in front of an oncoming train? Kieran knew this feeling all too well. He would push his victims on underground railway tracks. For a while, he was successful. It took three decades for people to catch on. 

Episode 25 covers the arrest period and crimes committed by the Boozing Barber of Vancouver. Gilbert Jordan had a long history of criminal activity and drinking. One day, the humbled alcoholic barber found himself in a court room for a murder trial. 

A widowed woman living in England during the 1800s made her money by adoptions, but she hid a dark secret. She did not want to care for infants, she just wanted the income they came with. A body was found one day and it caused Amelia's life to come crashing down. She went from a woman leading a respectable life to one of the most heartless serial killers in history. 

One morning in November of 1959, a family was startled to find thieves searching their home. The criminals put the Clutter family through torture just to walk away with little cash and four dead bodies. This is the story of how an innocent family was murdered over a story. 

The Fast Food Killer wanted to be a country music star, but he ended up becoming a thieving serial killer. Paul Reid Jr. would go to fast food joints to steal money in the 1990's and he killed most of the employees on duty too. Find out the extent of his crimes and the additional theories by listening to this episode. 

Most people have owned a toy chest at some point, although the difference between most people and David Parker Ray is that most people don't use theirs to kidnap and assault others in. The exact number of The Toy-Box Killer's crimes is unknown, but his spree was cut short when one victim got away.