COLLINSVILLE - Madison County Coroner Stephen P. Nonn is reporting that an investigation continues into the death of a Belleville, Illinois, man located by Collinsville Police after his family had reported him missing.

The man - Sean P. Sobczak, 47, of Belleville, had been located inside a running vehicle in the parking lot of the Collinsville Walmart by Collinsville police officers on the afternoon of Friday, July 15. It appeared that Sobczak was inhaling or “huffing” compressed gas air dusters at the time.

Get The Latest News!

Don't miss our top stories and need-to-know news everyday in your inbox.

Article continues after sponsor message

Sobczak was arrested at that time for driving under the influence.  After being transferred to the Collinsville Police Department, the decedent began to complain of shortness of breath and an ambulance was summoned at 4:45 p.m. (Friday, July 15, 2016).      

The decedent was transferred to Anderson Hospital in Maryville, Illinois, where he was admitted. The decedent’s condition deteriorated through the night and he was pronounced dead at 5:17 a.m., Saturday, July 16, 2016.

The autopsy conducted Sunday, July 17, 2016, revealed the presence of cardiac disease, however alcohol and drug testing remains pending at this time. The decedent’s medical history, which included diabetes and hypertension, will also be evaluated prior to determination of an exact cause of death.  

Funeral arrangements remain pending at this time. 

Prefer RiverBender on Google
Copyright 2026 Riverbender.com. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.

 

More like this:

Collinsville Police Trace Infant Abandonment To Suspected Parents
3 days ago
Madison County State's Attorney Haine: Collinsville Man Guilty in Fourth of July Machete Attack
Jun 24, 2026
Man Gets 115 years For Starbucks Abduction Assault
4 days ago
Granite City Woman Charged With Driving Under Influence Without Insurance
Yesterday
Brian Joy Named Collinsville Police May Officer of the Month
5 days ago