Sure, if they are within range of a tower. Many people don't understand that the phone will "ring" even though the other end might not be currently registered

Sure, if they are within range of a tower. Many people don't understand that the phone will "ring" even though the other end might not be currently registered with a tower. Almost assuredly where the confusion lies. Although, since it's a developing country it's barely plausible they haven't collected cell phone numbers from the family and run it up whatever law enforcement channels available to them.