1: An imperfect crime

On an icy night in January, 1993, masked gunmen walk into a Brinks vault in Rochester, New York. They leave with $7.4m in cash and a hostage. It was one of the largest heists in American history. But was this the work of criminal masterminds, or something very different? As police arrive on the scene they find some interesting clues, and an early hunch for investigators could prove critical.