This cruel predator must be brought to justice.

Forensic genealogist Rowan Healy made a name for herself helping investigators trace the family trees of violent criminals who have eluded justice for years. But she shifted focus when the pressure of police cases left her burned out.

Jack Bruner has spent his detective career successfully tracking down vicious criminals - with the notable exception of the West Campus Rapist, a meticulous offender in Texas who has never been identified. Jack needs Rowan's specialist skill to stand a chance of cracking this case.

Moved by Jack's dedication and the brutal details of the attacks he lays out, Rowan agrees to help. When her ground-breaking DNA research sheds new light on the criminal's background, Rowan and Jack must race against the clock to find a ruthless killer who's growing bolder the longer he evades the law...