What some experts have deemed cold or closed cases, others see as ongoing conspiracies based on bizarre circumstances, significant holes in investigations, and possible motives for murder. In each of the eight, hour-long episodes, experts unravel the mysterious deaths of cutting-edge scientists, each caught in a web of intrigue before their lives were cut short. DEADLY INTELLIGENCE takes a closer look at the circumstances surrounding some of these fatalities to understand if ingenious research and discoveries cost brilliant scientists their lives.