Envelope Containing Baking Powder Prompts Emergency Response at Treasurer’s Office
A suspicious envelope containing a white powder, later identified as baking powder, was delivered to Cook County Treasurer Maria Pappas' downtown Chicago office, prompting a response from emergency services.
Chicago, IL, October 15, 2026 —
A suspicious envelope containing a white powder was delivered to Cook County Treasurer Maria Pappas’ downtown Chicago office, prompting a response from emergency services. The powder was later identified as baking powder.
The available information does not specify when the envelope arrived, who received or opened it, or how the substance was identified. It also does not detail which emergency services responded or what steps they took at the office.
No information was provided about whether anyone was exposed to the powder, whether the office was evacuated, or whether the delivery led to an investigation. The account also does not identify who sent the envelope or describe its contents beyond the white powder.
The incident involved a substance that initially prompted concern but was later identified as a common baking ingredient. The circumstances surrounding the delivery and the response remain unclear based on the information available. No further details were provided about what happened after the powder was identified.
Story summarized from the original created by Kaitlin Washburn on chicago.suntimes.com, see more information here.
