Are you a shriner?

Columbo: "Excuse me, are you a Shriner?"
Officer: "No."
Columbo: "Is your partner a Shriner?"
Officer: "I don't know. Why don't you ask him."
Columbo: "Excuse me, are you a Shriner?"
Partner: "No."
Columbo: "Is anyone here a Shriner? I'm Lieutenant Columbo. Police Department. I could use some help. Is anyone here a Shriner? Or does anyone here know a Shriner?"
Another person: "Lieutenant!"
Columbo: "Are you a Shriner?"
Person: "No... but you know, Frank the bartender on the corner is a Shriner."
Columbo: "Thank you. Does he have a Shriners ring?"
Person: "I don't know. Why don't you ask him."