*USED* Retribution by Sherrilyn Kenyon

A Dark-Hunter caught between vengeance and redemption faces off against a vampire-raised assassin bent on his destruction. When Jess Brady is tasked with hunting down a mysterious killer targeting his kind, he discovers the culprit is a human woman who believes he murdered her family. Bound together by divine forces and hunted by ancient enemies, they must overcome their deadly conflict before a dark power destroys everything they've sworn to protect. Part of Sherrilyn Kenyon's bestselling Dark-Hunter series.