Kurtis, Bill

This episode looks at possible reasons why persons become killers. Dr. Dorothy Lewis puts forth the explanation that according to her studies, there is a history of brain injury, mental disease, and child abuse in killers. Two mass murderers (Terrance Wainright, Arthur Shawcross) are profiled.

500 miles off the coast of Mexico and 2 miles below the ocean surface, the film crew of a research submarine shoots video footage that reveals how the ocean floor canyons that make up the mid-ocean ridge are formed. Also introduces viewers to lifeforms that survive in the extremely hot, highly toxic environment around thermal vents.

500 miles off the coast of Mexico and 2 miles below the ocean surface, the film crew of a research submarine shoots video footage that reveals how the ocean floor canyons that make up the mid-ocean ridge are formed. Also introduces viewers to lifeforms that survive in the extremely hot, highly toxic environment around thermal vents.