An ancestry database holds the key to catching a killer in this explosive medical thriller from New York Times -bestselling author Robin Cook .
When the body of 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 for Laurie and her new pathology resident, the brilliant Dr.
Aria Nichols, little things aren't adding up.
Kera's family and friends swear s.
