Criss Cross (Alex Cross Series #25)

Cross. Now streaming on Prime Video. When a mysterious serial killer known as "M" launches a deranged "investigation", Alex Cross and his partner must unearth long-forgotten secrets to survive -- or risk getting buried themselves. In a Virginia penitentiary, Alex Cross and his partner, John Sampson, witness the execution of a killer they helped convict. Hours later, they are called to the scene of a copycat crime. A note signed "M" rests on the corpse. "You messed up big time, Dr. Cross." ...