FBI profiler Karen Vail tracks a killer through San Francisco in this "powerful thriller, brilliantly conceived and written" by a USA Today-bestselling author (Clive Cussler). When an elderly woman is found raped and brutally murdered in San Francisco, Vail heads west to team up with SFPD Inspector Lance Burden and her former task force colleague Detective Roxxann Dixon. As Vail, Burden, and Dixon follow the killer's...