Genesis

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When the body of twenty-eight-year-old social worker Kera Jacobsen shows up on Chief New York City Medical Examiner Laurie Montgomery's autopsy table, it appears she was the victim of a drug overdose. But little things aren't adding up, Kera's family and friends swear she never touched drugs. And although Kera was ten weeks pregnant, nobody seems to know who the father was. Aria turns to a controversial new technique: using genealogic DNA databases to track down the fetus's DNA in the hopes of identifying the mystery father. When Kera's closest friend and fellow social worker is murdered, the answers becomes even more urgent. And if Aria gets any closer to the truth, she and Laurie might find themselves a killer's next targets.