Let Her Hope written by Blake Pearce is the third book in the Fiona Reid FBI suspense thriller series. FBI forensic examiner and entomologist Fiona Reid faces a new challenge when a serial killer leaves a trail of victims killed by an extremely rare bug. He has the key to stop him before his lab strikes again. But as Fiona becomes obsessed with catching the killers. She takes it a step further and finds herself in the crosshairs of an assassin.