NEW YORK TIMES BESTSELLER • “Terrifying . . . a spellbinding biomedical thriller.”—San Francisco Examiner “A classic that will grip you until the end.”—Houston Chronicle   A phone call in the dead of night brings Joe Lassiter shattering news: His sister and young nephew have died in a fire in their home near Washington, D.C. Yet Lassiter soon learns a chilling fact: His loved ones were brutally murdered before the blaze was set.   The mysterious suspect’s identity only raises more questions. Then Lassiter uncovers another crime—another innocent mother and child murdered. The more he investigates, the larger the web of conspiracy grows, as Lassiter’s search for answers leads him on a dangerous international chase toward a truth that will shock him— and the world—to the very core. . . .