Kill Game - Seven of Spades, #1

Homicide detective Levi Abrams is barely holding his life together. He's reeling from the fallout of a fatal shooting, and his relationship with his boyfriend is crumbling. The last thing he's prepared for is a serial killer stalking the streets of Las Vegas. Or how he keeps getting thrown into the path of annoyingly charming bounty hunter Dominic Russo. Dominic likes his life free of complications.
That means no tangling with cops-especially prickly, uptight detectives. But when he stumbles across one of the Seven of Spades's horrifying crime scenes, he can't let go, despite Levi's warnings to stay away. The Seven of Spades is ruthless and always two moves ahead. Worst of all, they've taken a dangerously personal interest in Levi and Dominic. Forced to trust each other, the two men race to discover the killer's identity, revealing hidden truths along the way and sparking a bond neither man expected.
But that may not be enough to protect them. This killer likes to play games, and the deck is not stacked in Levi and Dominic's favor.