Adam Duran, 23, was working as a manager at Bienvenidos Bar 7 De Copas in north Tulsa in the early hours of October 10, 2016, when gunfire erupted shortly after 1 a.m. Known to some as Adam Olmos and spelled Adan in reports, he and fellow manager Saira Mariosol Vasquez were both killed by multiple gunshot wounds inside the bar. A bartender who had been the focus of a patron’s unwanted attention hid and survived, later providing key details to investigators.

Police developed a narrative that a man who had been at the bar for hours left, retrieved a pistol from a waiting vehicle, returned and shot the two managers after they told him to leave. In January 2017 an arrest warrant was issued for Rigoberto Pureco, charged in absentia with two counts of first-degree murder; he was described as at large and possibly having left the area. Duran’s name appears on memorial pages for victims of gun violence from that date. Does anyone who knew Adam or was in north Tulsa that night have information that could help investigators?