for sheriff dave reichert, it was a day he will always remember. his moment of triumph. >> the enormity of the whole thing hits you full face. >> a few months later, after two terms as sheriff, reichert ran for congress and won. his reputation as a straight shooter who finally got his man precedes him. ridgway is now in the washington state penitentiary, serving his 48 consecutive life sentences without possibility of parole. he is considered the worst serial killer in the history of the united states. >> profilers tell us they've learned some important lessons from the gary ridgway case. notably, ridgway's behavior was different from other serial killers indicating that one profile doesn't fit all. keeping that in mind may help police catch other serial killers sooner. >>> i'm stone phillips, and for all of us at nbc news, good night. >> due to mature subject matter, viewer discretion is advised. >> follow lock up producers and crews as they go behind the walls of america's prisons and jails to scenes you have never seen. lock up raw. >> much of lo