Isaias Cojtin Chumil was 29 when he was last seen in McAllen, Texas, on March 27, 2016. He is 5 feet 8 inches tall, about 130 pounds, with black hair.

Authorities and missing persons organizations list the case as open; investigators say there have been no major leads and efforts to locate him continue. The location near the U.S.-Mexico border can add complexity to these investigations.

If anyone has information about Isaias Cojtin Chumil’s whereabouts, please contact local law enforcement.