Odessa, Texas–A Los Angeles jeweler who once served as a reserve deputy sheriff recently was indicted on federal mail fraud charges after he allegedly tried to cheat a Texas couple for whom he agreed to help sell a diamond. According to the indictment filed in U.S. District Court for the Western District of Texas, Midland-Odessa Division, Billy Nubil Lulo, owner of Global Rings Jewelry Inc., sold a 22.03-carat emerald-cut diamond ring to Odessa residents Herb and Suzie Stokes in 2001.