Pain Killer — L.S. Sygnet

Raver and Briarwood hunt for Castillo's true identity as more killings with a distinctively different yet similar signature occur. As they attempt to flesh out the background of Castillo's former partner, a rift forms. Is the killer in the fresh crime scenes Castillo, or has he developed a cult following that resulted in a copycat? As Raver and Briarwood investigate, the answer becomes clear.