Lethal Factor — Gabrielle Lord

With a horrifying anthrax murder and the brutal, ritualistic killing of a nun, forensic examiner Jack McCain takes on two baffling new cases. Does the anthrax killing signify a frightening new wave of terrorism? And what is the meaning of the cryptic symbol gouged into the murdered nun's flesh? With his daughter in danger and his ex-wife causing him serious trouble, Jack tries to make sense of these questions, and fights to discover the identity of the anthrax assassin. Meanwhile, the mounting danger moves frighteningly close to home. Soon Jack realises the evil forces he is facing and lethal factor - anthrax's deadly protein - becomes a threat to his own life in a way he never imagined. With the odds stacked against him, he must find a way to prove beyond doubt who the killer is before it is too late in this spine-tingling novel from bestselling author Gabrielle Lord.