Record-Breaking U.S. Diver, 56, Dies Exploring Vast Underwater Cave in Texas
Brett Hemphill undertaking a diving expedition.Photo:Karst Underwater Research Karst Underwater Research A renowned cave diver, who set multiple cave diving records throughout his lifetime, has died while exploring one of the deepest underwater caves in the U.S. The nonprofit underwater exploration group said Hemphill had been on a dive with fellow diver and KUR’s director, Pitkin. They set off around 10:45 a.m. on the morning of Oct. 4 to explore the cave “starting in 450 feet of water at about 7300 feet of penetration....