The Milwaukee County Sheriff’s Office is asking for the public’s assistance in a mass shooting investigation. MCSO reports that it is investigating a mass shooting that occurred at Dineen Park at 6701 West Vienna Avenue around 12:30 a.m. on July 22, 2024.

It is believed that multiple shooters fired shots during the incident. A 17-year-old girl was fatally struck. Nine other young victims were injured during the incident. MCSO is asking for the public’s help in identifying those responsible.

Anyone with information or cell phone video is asked to contact MCSO at 414-278-4788 or Crime Stoppers at 414-224-TIPS. Tips can also be submitted using the Atlas One website or mobile app.