In Northern California, where the drug laws can change with the mile markers, a supplier of medical marijuana risks going one toke over the (county) line.
Since the LAPD's cold case unit began 10 years ago, detectives have used science to arrest serial killers and dozens of others who thought they had gotten away with murder.
The world’s best school systems depend on teacher collaboration, but the concept has not caught on in the U.S. We found schools where teamwork is making a difference.
Carol Meteyer solves cases of mysterious wildlife death using advanced forensic skills to help prosecute people who kill animals in violation of federal law.
Big money, big energy and big environmentalism join forces to support big solar energy projects on federal land in the Southwest. But could these "green" projects actually be anti-environmental boondoggles in the making?