Colleen Ritzer was a vibrant, 24-year-old teacher killed in a place she loved and should have been safe for absolutely no reason.

Thelma Todd was an actress and businesswoman in the late 1920s and early 1930s. On the morning of December 16, 1935, Thelma's body was discovered in her convertible, inside a garage. She was found to have sustained physical injuries, as well as carbon monoxide poisoning. The cause of death was ruled an accident, but is that truly the case?

Mercy Brown died of tuberculosis in 1892 along with her mother and siblings. When her brother fell ill, the villagers believed that the only explanation was a vampire had been sucking the life out of the family. Mercy and her family members were exhumed and the villagers discovered the vampire.

Betsy Faria was found murdered, stabbed 55 times on Dec 27, 2011. She had gone to her chemotherapy appointment that day and was driven home by her friend, Pam Hupp. Betsy was found by her husband Russ. We left off with Russ just having been convicted of her murder almost two years later, despite having a solid alibi and no physical evidence. Pam, who had no alibi and was the beneficiary of her life insurance policy, was never considered by police to be a suspect.

Betsy Faria was married with two children when she met Pamela Hupp in 2001. In 2011, Betsy was diagnosed with breast cancer and Pam became a very supportive friend. But did she have an ulterior motive? By the end of 2011, Betsy was dead, her husband was in prison, and Pam had $150,000.

The final episode in this series ends with Ted finally being put to death

The second installment of our Ted Bundy series

Theodore Robert Bundy was a serial killer who active mostly during the 1970s. After more than a decade of denials, he confessed to 30 murders. The total number of his victims is likely to be higher.