Unsolved murder of Las Vegas teen remains a mystery after 40 years

Murder Files Unsealed · May 11, 2026 · 36m · transcript

This episode explores the unresolved 1983 homicide of Cathryn Tighe, a Las Vegas teenager whose body was discovered in the desert a month after she vanished. The narrative details the environmental and technological challenges that hindered the initial investigation, including the isolation of the Nevada landscape and the lack of forensic tools like DNA profiling. It examines potential links to serial predators and compares the tragedy to similar local cold cases that were eventually solved through modern genetic genealogy. By highlighting the enduring grief of her family and recent…