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b'31-year-old Elizabeth Sullivan was reported missing in 2014. Her body is found two years later in the San Diego Bay. Where has she been in the meantime? Investigators conduct a thorough search of her home.\\xa0Forensic tests find Elizabeth Sullivan\\u2019s blood soaked into the wooden floor in her bedroom and the carpeting.\\xa0 A major clue however, a police cadaver dog reacts to a spot in the Sullivan garage where a refrigerator-freezer stood for several years. Joe Scot Morgan, Professor of Forensics at Jacksonville State University, and former death scene investigator explains how this discovery impacted the investigation.'