"Do Detectives Think? or The Bodyguard is a 1927 silent comedy short film starring Stan Laurel and Oliver Hardy prior to their official billing as the duo Laurel and Hardy."

https://en.wikipedia.org/wiki/Do_Detectives_Think%3F

"An escaped convict is out to kill the judge who sentenced him. Two inept detectives are hired to guard the judge."

https://www.imdb.com/title/tt0017813/plotsummary

https://commons.m.wikimedia.org/wiki/File:Do_Detectives_Think_(1927).webm

NB: "Do Detectives Think? is the first film to showcase Laurel and Hardy donning their iconic attire of crumpled suits and bowler hats, the typical outfit of detectives during that era." [Wikipedia]