Inhuman — Blaze Ward

Greyson solved the murder of the clone. Now a bigger conspiracy awaits. Out there, among the stars. Greyson and Rachel must travel to the homeworld of the Illymus Merchant Guild itself in pursuit of someone able to clone and replace anyone. Anywhere. Who can they trust, when anyone might be a copy and no longer the original? The Hunter Bureau, a series about a cop working in a world fifteen years after aliens make first contact, and bring all their troubles to a world that already had plenty of its own. Be sure to read the other novels in the series, available at all reputable outlets, and a few disreputable ones.