Aren Reyes works as a forensic analyst for the same police department as Jesse Ryan. As a matter of fact, he and Jesse are dating.
Aren is a kind-hearted raccoon with a sense of humor that's completely and totally endearing. While he can be stern at times, most often he's witty and has a good joke to lighten the mood. He is two years out of college, having moved to the area for that reason and decided not to leave when he got the job with the department.
He and Jesse have been together for the majority of that time, and are living together in Jesse's flat.