As the host of "America's Most Wanted," John Walsh is at the center of every important crime investigation in the country. Often, he has leads that law enforcement officials do not, and they end up calling HIM for information. Because of his popularity with local police forces, prison officials and national organizations such as the FBI and DEA, John often works closely with them to solve crimes and, of course, features them on his show. Now, for the first time, he reveals the inside details of those investigations, including never before seen photos.