The Crime Gene

Your blood is your verdict.

Dr. Briar Birch, a brilliant but disillusioned geneticist in her fifties, lives a quiet life as a Genetic Cleaner-someone who secretly scrubs incriminating DNA from crime scenes to prevent the government from sentencing innocent people. Her world shatters when she's arrested, not for her work, but because a long-dormant aggression gene from her great-grandfather-a notorious, unsolved serial killer-has been activated in her system by a new environmental toxin.

Agent...