No Witnesses

Seattle police detective Lou Boldt and police psychologist Daphne Matthews return in No Witnesses to confront the most challenging case of their careers.

People are dying throughout Seattle — victims of a madman who is placing poisoned food in neighborhood supermarkets. But the criminal is intelligent: he writes the police chilling extortion letters — faxed directly from a laptop computer over public telephone lines — and retrieves his ransom electronically, through automatic teller ma…