Mark Valera claims that his father Jack Van Krevel abused him while he lived at home. By the age of 19, Mark had moved out of the home and changed his last name to Valera. The hatred he felt toward his father grew and he took it out by murdering two men, David O'Hearn and Frank Arkell.

Join Mike and Gibby as they head to Wollongong, Australia to talk about teenage murderer Mark Valera. Valera later told police that he believed both O'Hearn and Arkell were homosexuals and pedophiles and he was intent on stopping them from ever hurting anyone again. He blamed the murders on the abuse he suffered at the hands of his father. But, the saga of Mark Valera doesn't end there. His sister, Belinda, would later hire one of Mark's friends to kill their father. She said that Jack had started abusing her daughter and she was determined to put an end to it.

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