Columbo
originally aired on NBC
Columbo is an American crime drama television series starring Peter Falk as Lieutenant Columbo, a homicide detective with the Los Angeles Police Department. After two pilot episodes in 1968 and 1971, the show originally aired on NBC from 1971 to 1978 as one of the rotating programs of The NBC Mystery Movie. Columbo popularized the inverted detective story format (sometimes referred to as a "howcatchem")