May 21, 2001

Methods for solving crime have changed and improved over time. In the 19th Century, the now fundamental technique of using fingerprints was a mystery. This changed in 1905, as writer Colin Beavan explains to Todd. Beavan talks about the history of fingerprinting, the murder scene that made fingerprinting famous, and how we use it today. His book is "Fingerprints: The Origins of Crime Detection and the Murder Case That Launched Forensic Science".

Linking entrepreneurs and environmental activists may seem daunting, but that is what Bob Epstein, founder of Environmental Entrepreneurs, is doing. He talks about how environmentally-friendly businesses can be profitable, and how he guides company leaders to make decisions honoring both causes.

The Confederate H.L. Hunley submarine sunk a Union ship in 1864, but then disappeared. The Hunley was found, and was raised last year. Efforts are now underway to preserve the sub. Robert Neyland, project director of the Hunley Commission, talks with Todd about working on the Hunley, and what researchers expect to find inside.