On April 15, 2005, Centre County District Attorney Ray Gricar left his office for a routine afternoon drive through central Pennsylvania. He was 59 years old, highly respected, and just months away from a planned retirement. But Ray never returned home. Days later, his distinctive red and white Mini Cooper was found abandoned in an antique store parking lot near the Susquehanna River.

The investigation quickly took a bizarre turn when a fisherman pulled Ray's county-issued laptop from the river, only to discover that the hard drive had been intentionally removed and destroyed. With no body, no financial trail, and no clear motive, investigators were left to untangle a web of possibilities. Did Ray take his own life, walk away to start over, or fall victim to someone from his long career as a prosecutor?

Explore the baffling case of Rey Rivera, who was found dead inside Baltimore's Belvedere Hotel after a mysterious fall. Was it suicide, an accident, or murder?

Science is supposed to cure disease and improve life, but sometimes confidence goes off the rails. Today, we are taking you on a tour through history’s wildest moments when science went completely off the rails, including incidents where confidence reached levels of blowing up a dead whale, dropping cats out of planes, and poisoning an entire generation.

Jennifer Kesse was a 24-year-old woman with a bright future who vanished from her home in Orlando, Florida, in January 2006. She had just returned from a trip and spoke to her family the night before. When she failed to show up for work, her family immediately knew something was wrong.

On August 16, 1942, a US Navy blimp lifted off from San Francisco on routine patrol. Hours later, it crashed in Daly City—but the two crew members had vanished. The doors were open, equipment untouched, no distress call, no sign of struggle. Just an empty blimp drifting like a ghost ship. Eighty years later, the mystery remains unsolved. What happened to Lieutenant Ernest Cody and Ensign Charles Adams? This is one of the strangest unsolved mysteries in American military history.