According to the medical examiner who conducted the autopsy on Diane Dahn, she suffered from multiple stab wounds to the chest area and was bludgeoned with an object, as reported by the San Diego County Sheriff’s Department. Scrapings from underneath Dahn’s fingernails were collected in hopes of helping identify her killer through DNA. There was also a strand of hair found in her grasp that was most likely pulled out, as she was struggling to fight off her assailant.
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An extensive investigation took place, but still, authorities were not able to capture the person who murdered Dahn. At the time of the crime, DNA technology was still in its infancy. In 2000, a DNA profile was identified from the scrapings collected from Dahn, but it didn’t lead to the identity of a suspect. More tests were done the following year but unfortunately, the information was not enough for the profile to be uploaded to CODIS (Combined DNA Index System), the FBI’s DNA database. Tests done on the strand of hair yielded a profile as well, but it didn’t lead to a match. Investigators were at a dead end, and Dahn’s case went cold.
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