like episode quite bit ruth gordon good little hammy always was stated music good moodiness exist episodesbr br but one major plot hole exists wide drive fleet trucks it established light work vault think intelligent columbo rest police would thought check light bulb worked think pretty short order would unscrewed bulb found note granted tv whodunit fiction various holes always found seems much glaringbr br it really make columbo hidden genius light work death bed testimony goes unfound apparently days