On April 15, 2011, Onesimo Lopez Bravo, 41, disappeared after contacting his family by phone from Altar in Pima County, Arizona. He was reportedly crossing the U.S.-Mexico border at the time he went missing and was also known to use the alias Leonel Rios Beltran.

Bravo was described as between 5 feet 9 inches and 5 feet 11 inches tall, weighing 165 to 175 pounds, with black hair and black eyes. Distinctive features included a scar on his foot and pierced ears. The Pima County Office of the Medical Examiner opened an official report on June 29, 2011, and his case was entered into NamUS on July 30, 2012. The specifics of what happened after his last phone call have not been made public, and there have been no public updates on his whereabouts.

If anyone knew Onesimo Bravo, his movements around Altar, or has information about crossings in that area in April 2011, please share what is known.