According to the Indiana Department of Natural Resources, the group of experienced cavers was surveying Binkley's Cave near Corydon. When they failed to exit the cave after their 15-hour expedition, a rescue party was formed.

About the Author

Featured

Inventor Lonnie Johnson stands with his Super Soaker water guns at JTEC Energy on Wednesday, Oct. 29, 2025, in Atlanta. Johnson, a former NASA engineer, is currently working on a new energy technology through his company’s JTEC device that turns thermal heat into usable energy. (Natrice Miller/AJC)