Mutant Hunter

Grady operates undercover as a Mutant Hunter rescuing colonies from extermination. He discovers his cover is blown when he escapes a trap set by other hunters only to find the attack on him is part of a rapidly unfolding crisis.
When his new partner Shrilla, finds out that Grady isn’t who she thinks he is, it’s all she can do not to put a bullet in his back. 

Now they are the hunted and have to put aside their mutual distrust to save themselves, their agency and a mutant world that isn’t. 

Mutant Hunter is the exciting fast-paced first book in the latest series from the author of the Pattern Universe.