Columbo

Season 1, Episode 7

Episode Title: Blueprint for Murder

Air Date: 1972-02-09

Overview:

An architect kills his business partner and deliberately lets Columbo suspect him, leading Columbo to think that he's hidden the body in the foundation of a building under construction. He plans to let Columbo dig up the site and find nothing, knowing that its the perfect place to hide the body since Columbo would never look in the same place twice.