From Staff ReportsAn Oklahoma City couple wanted in the death of a 21-year-old man were arrested in Mexico and are waiting to be extradited to Oklahoma County, authorities said. Della Marie Nichols, 30, and Adrian Escajeda, 29, are accused in the death Nichols' half-brother, Ulises Lopez. The U.S. Marshal's Service reported Saturday that Nichols and Escajeda were arrested in Mexico, but they did not give the location or any details about the arrest. They said the two were booked into El Paso County jail in Texas and are awaiting extradition. About 3:20 p.m.Read more on NewsOK.com