Detailed text transcripts for TV channel - KGO - 20140515:10:16:00
People died. >> reporter: the conditions are so dangerous to man, dr. ballard and his team are relying on hercules, a 5-,000 pound submersible to be their eyes and ears inside the volcano. this is the season's final dive. >> now we are reaching the top of the volcano. >> we're in it. we're inside the crater. you can see it is surrounded by -- we're inside. >> oh, wow. >> reporter: on its journey, hercules is doing more than taking breathtaking pictures. it is collecting samples, making maps and reaching right into the volcano's plume. after hours of searching, a startling discovery, life. >> o...