On the day that Helen Hargan and her mother Pamela were found dead, Helen Hargan's boyfriend Carlos spent hours convincing 911 dispatchers to send help to the Hargan house. By the time police arrived, it was too late. Police were given two versions of the morning: one where Helen was scared for her life, and one where she was likely the killer. But Carlos' story, along with the weapon placement at the crime scene, would blow a hole in the theory that the Hargan killings were a murder-suicide.

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