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Bob Sirott plays the “Mystery Guest” game with listeners. Callers make guesses, while Bob and the guest provide a few clues.

Spoiler Alert… Bill Kurtis is finally revealed as the Mystery Guest. After the conclusion of the game, Bob talks to Bill about the public service announcements he’s been creating, which encourage people to wear masks. You can listen to each of Bill’s PSA’s below.

1.) Radio Noir

2.) The Lone Ranger

3.) Phantom of the Opera

4.) Shark Feeding

5.) Freddy

6.) All About the Mask