Complex sentence: The U.S. government produced a photo alleged to showed Miskito bodies being burned by Sandinista troops; however, the photo was of people killed by Somoza's National Guard in 1978.
Split into simpler sentences: The U.S. government claimed to have produced a photo he said showed Miskito bodies being burned by Sandinista troops. However, the photo was of people killed by Somoza's National Guard in 1978.