People v. Tyler J. Brennan
Next Hearing
Sentencing Hearing
Wednesday, June 10, 2026
DuPage County Circuit Court
Case Summary
Defendant pled guilty to aggravated DUI causing death after a New Year's Eve crash on I-88 that killed a 42-year-old Naperville resident. BAC was 0.21 at time of arrest. Sentencing scheduled for June 2026.
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Charges Filed
Aggravated DUI — Death
Reckless Homicide
Hearing Timeline
DuPage County Circuit Court Hon. Robert T. Flanagan
Outcome: Defendant entered guilty plea to Class 2 Felony DUI-Death. Reckless homicide charge dismissed.
DuPage County Circuit Court Hon. Robert T. Flanagan
Outcome: Plea negotiations ongoing.
DuPage County Circuit Court Hon. Robert T. Flanagan
Outcome: Plea: Not Guilty. Bond: $500K.
DuPage County Circuit Court Hon. Robert T. Flanagan
Note: Upcoming — State seeking 8 years. Defense requesting 4 years.
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Defendant
Tyler J. Brennan, age 31
Court
DuPage County Circuit Court
Judge
Hon. Robert T. Flanagan
Prosecutor
ASA Michelle Tran
Defense
Atty. Kevin Sobieski
Incident Date
December 31, 2025
Filed
January 8, 2026
Location
I-88 near Naperville, IL
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