Twisted — Jay Bonansinga

FBI profiler Ulysses Grove's escape to a peaceful rural retreat is shattered by a new case that thrusts him back into the harrowing world of serial killers--and a fight against evil that will take him to the edge of sanity and into the very eye of mortal danger...

Twisted
In the heart of New Orleans, a serial killer is at work. While the city struggles to rebuild, he seeks only to destroy. His victims are offerings, surrounded by objects as mysterious as the French Quarter itself. For Special Agent Ulysses Grove the case is personal. The latest victim, a respected Tulane professor, was also a dear friend whose death holds startling clues to this madness. As Grove and journalist Maura County pore through cold cases and the dead man's half-destroyed notes, a terrifying truth begins to unfold: a Mayan expedition gone wrong, an ancient civilization, ritual human sacrifices, and a serial killer who has tapped the secrets of indestructible power.

Now, as a storm season threatens the Gulf Coast, Grove is on the hunt for a twisted psychopath with a deep connection to his own past--one who sees Grove as the ultimate trophy...