But other officials describe the conditions frankly. Bodies have bloated, and heat, water and insects hasten their decomposition. A living person has an immune system with which to kill bacteria, but a deceased body has no protection. The bacteria population explodes. Some of the bodies are so badly decomposed they don't have fingerprints. Others are damaged or torn apart. It's not at all pretty, ... They're finding pieces. If you find an arm, do you call it a body It's pretty grisly.