Full Breakdown
Illinois Man Charged with Sending Threatening Letters Containing White Powder to Congress
By Drooid · · How we work
Core Incident
In October 2026, Matthew G. Unglesbee, a 37-year-old Quincy, Illinois resident, was arrested and charged in the U.S. District Court for the Central District of Illinois with mailing threatening communications and false information/hoaxes. The charges stem from four letters sent to members of Congress in the Chicago area that contained a white granular substance and handwritten notes. Unglesbee’s initial federal appearance occurred on October 26, 2026.
Background & Context
The letters arrived amid a wave of suspicious mailings to congressional and election offices across the United States in the weeks preceding the November 3 midterm elections. Federal authorities—including the FBI, the U.S. Postal Inspection Service, and the U.S. Capitol Police—have been investigating those incidents since mid-October.
Key Figures & Groups
- Matthew G. Unglesbee – Quincy resident charged with mailing threatening communications.
- Federal Bureau of Investigation (FBI) – Received the tip, recovered the letters, conducted forensic testing, and interviewed Unglesbee.
- U.S. Representative Jan Schakowsky – One of the recipients; issued a public statement thanking law-enforcement.
- U.S. Representatives Mike Quigley and Brendan Schneider – Also received the letters.
- U.S. Department of Justice – Filed the criminal complaint and sought detention pending trial.
Timeline
- Mid-October – An anonymous online tip reported that Unglesbee had discussed mailing suspicious substances to members of Congress.
- Following week – FBI agents recovered three letters from congressional district offices in northern Illinois and a fourth from a senator’s office.
- Late October – Unglesbee was interviewed; he admitted mailing the letters after hearing news about similar mailings and said the substance was ordinary salt.
- October 26, 2026 – Unglesbee was arrested, charged, and appeared in federal court via video conference.
- Later in October – A detention hearing was scheduled to determine whether he will remain detained pending trial.
Data & Statistics
- Four mailed letters each contained a white granular substance and a handwritten note; three read “HA HA,” and one read “HAH enjoy the gift.”
- Forensic testing by the FBI determined the substance was ordinary salt and found no chemical or biological toxins.
- One additional envelope found during a home search was empty, addressed to a congressional office in Washington, D.C.
- Nationwide scope – Similar suspicious letters have been reported in at least 36 congressional offices across the country.
Official Statements & Responses
- FBI officials emphasized that none of the letters were opened, that testing showed no hazardous material, and that the investigation continues in coordination with the U.S. Postal Inspection Service and Capitol Police.
Why It Matters
The incident highlights heightened security concerns for elected officials during the run-up to the November 3 midterm elections. Federal prosecutors have reiterated that using the mail to threaten public officials will be investigated and prosecuted to the full extent of the law.
Verbatim Quotes
- “I'm aware of reports that a suspect has been taken into custody in connection with the most recent suspicious letter sent to my Skokie office. I'm grateful to the law enforcement officers who acted quickly and decisively to help ensure the safety of me and my staff and are working to hold those responsible accountable,” — Rep. Jan Schakowsky
What's Next
A detention hearing is slated for later in October to decide whether Unglesbee will remain in custody while the federal case proceeds.