In 2005, chemist Geetha Angara vanished during her shift at a New Jersey water treatment plant. A day later, her body was found floating inside one of the facility’s massive water tanks—along with more questions than answers. Was it a tragic accident? Or a calculated murder perfectly concealed by the very environment she worked to protect?

This week on Forensic Tales, we explore the strange death of Geetha Angara, the forensic roadblocks that stalled the investigation, and the theories that still surround this unsolved case nearly two decades later.