S5:E5 Now You See Him
Watching this now on GAT and I'm wondering... if Santini had managed to time it so he came in and shot Jerome BRFORE Jerome typed the letter to Immigration (leaving the evidence on the ribbon)... would he have gotten away with it? Columbo would never had any idea about a motive. Just a lot of unsubstantiated, circumstantial poppycock (sorry, wrong episode!)