Mask. A Rory Mack Steele Novel, #11

A serial killer is on the loose, killing at random, stabbing victims straight through the heart with an ancient weapon. Bodies are piling up through Italy, France, Germany, Switzerland, the United States and into Canada. When an arrest is made because of a DNA sample left at a crime scene, despite the overwhelming evidence, Private Investigator Rory Mack Steele is still hired by the accused's family to find the truth.
But the truth is poisoned by the distant past and a dark, hidden secret. A secret so painful it threatens to engulf thousands in agonizing and bloody death.