We don't have a biography for District Attorney Lopez yet. Hang in there, or go ahead and contribute one.
The Sinner Guest cast, played by Joseph Melendez Episode 1x02: Part II (Aug 9, 2017) Episode 1x03: Part III (Aug 16, 2017) Episode 1x06: Part VI (Sep 6, 2017) Episode 1x08: Part VIII (Sep 20, 2017)