A serial killer stalks young Navajo men and women ... and Ella Clah's family might be next in his sights, in Aimee and David Thurlo's Turquoise Girl! Navajo Police Special Investigator Ella Clah has seen a lot of death in the decade since she returned to the Reservation, but nothing quite as bad as a series of violent murders of young Navajo. Something about the crime scene reminds Ella of her days in the FBI, and she calls on Agent Blalock for help....