Fallen by Tenaya Jayne

I will not submit to the man who killed my best friend…no matter what destiny says.
Half vampire and wealthy playboy, Maddox lives his life in the public eye and thoroughly enjoys his bad reputation. But what most people believe of him is not who he really is. Life has always been easy for Maddox, but now a dark figure moves through the shadows slaughtering innocent young women, and the evidence points at him as his exes start turning up dead with his name carved into their skin.
Erin hates everything Maddox stands for and when her best friend becomes the most recent in the line of mysterious killings, she has no doubt the rich lothario is responsible. Torn by grief, Erin decides to take matters into her own hands and she will stop at nothing to make Maddox pay.
But when the two rivals finally come head to head, neither is prepared for the sparks that fly or the eternal bond that destiny weaves between their souls. Maddox is desperate to keep Erin by his side and prove to her his innocence. Erin would rather die than submit to being his destined life mate… And her death is just what the killer has in mind.