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After Hours Murder Mystery

Gangster Murder at the 1920s Speakeasy

2025-08-16 18:30:00 2025-08-16 21:00:00 America/Chicago After Hours Murder Mystery Calling all sleuths! You're invited to help solve the murder of Bulletproof Bill Mahoney. Interview the suspects, gather the clues, uncover the killer. Downers Grove Public Library -

Saturday, August 16
6:30pm - 9:00pm

Add to Calendar 2025-08-16 18:30:00 2025-08-16 21:00:00 America/Chicago After Hours Murder Mystery Calling all sleuths! You're invited to help solve the murder of Bulletproof Bill Mahoney. Interview the suspects, gather the clues, uncover the killer. Downers Grove Public Library -

Calling all sleuths! You're invited to help solve the murder of Bulletproof Bill Mahoney. Interview the suspects, gather the clues, uncover the killer.

The year is 1922, the act of prohibition has forced all drinking establishments to close, and speakeasies have sprung up all over the country. It’s a usual night at The Caterpillar Club – until the biggest organized crime boss and mobster in the city, Bulletproof Bill Mahoney, is found dead! Suddenly, the patrons find themselves suspects in a murder investigation that has to be kept “hush hush” in order to keep the coppers away and the speakeasy open!

Important information for guests/inspectors:

  • All suspects are played by actors and will be identifiable, though this is not a dinner theatre, play, or otherwise scripted.
  • Guests are encouraged, but not required, to dress in 1920s flapper/gangster attire, to any extent you wish.
  • Please, no toy guns.
  • Light refreshments and non-alcoholic beverages will be served.
  • Guests must arrive at 6:30 in order to be let into the building. 
  • Only registered guests will be admitted into the library after hours.

Our suspects will be portrayed by members of Moebius Theatre. Moebius Theatre is a Chicago-area acting/writing troupe with no permanent home, specializing in science fiction-oriented theatre, and often leaning toward the comedic. Seriously. They have been performing at conventions, libraries, and storefronts across the Midwest and as far away as Toronto for as long as anyone bothers to remember.

Contact the Adult and Teen Services Desk at ATS@dglibrary.org or call (630) 960-1200 with questions.

Submit a request for a program accommodation here. Learn more about accommodations and accessibility at DGPL by visiting dglibrary.org/accessibility.

AGE GROUP: | Seniors | Adults |

EVENT TYPE: | Registration Required | In-Person Program |

TAGS: | |

Downers Grove Public Library

askus@dglibrary.org
Phone: (630) 960-1200
Fax: (630) 960-9374

Hours
Mon, Aug 11 9:00AM to 9:00PM
Tue, Aug 12 9:00AM to 9:00PM
Wed, Aug 13 9:00AM to 9:00PM
Thu, Aug 14 9:00AM to 9:00PM
Fri, Aug 15 9:00AM to 9:00PM
Sat, Aug 16 9:00AM to 5:00PM
Sun, Aug 17 1:00PM to 5:00PM

Upcoming events

Fri, Aug 15, All day
Downers Grove Public Library - Meeting Room Both (Max Capacity 100)

Fri, Aug 15, 9:30am - 12:30pm
Downers Grove Public Library - Conference Room A (Max Capacity 16)

Fri, Aug 15, 10:00am - 10:30am
Downers Grove Public Library

Fri, Aug 15, 1:00pm - 3:00pm
Downers Grove Public Library - Kids Program Room

Sat, Aug 16, All day
Downers Grove Public Library - First Floor Lobby

Sat, Aug 16, 10:00am - 10:30am
Downers Grove Public Library - Kids Program Room

Sat, Aug 16, 10:30am - 11:15am
Downers Grove Public Library - Meeting Room Both (Max Capacity 100)

Sat, Aug 16, 6:30pm - 9:00pm
Downers Grove Public Library

Sun, Aug 17, All day
Downers Grove Public Library - First Floor Lobby

Sun, Aug 17, 2:00pm - 4:00pm
Downers Grove Public Library - Kids Program Room

Mon, Aug 18, All day
Downers Grove Public Library
This event is full

Mon, Aug 18, All day
Downers Grove Public Library

Mon, Aug 18, 10:00am - 2:00pm
Downers Grove Public Library

Mon, Aug 18, 2:30pm - 3:30pm
Downers Grove Public Library - Kids Program Room

Mon, Aug 18, 7:00pm - 8:30pm
Downers Grove Public Library - Conference Room B (Max Capacity 10)