The investigation continues into the deadly crash last week near Teutopolis.
The Illinois State Police Division of Criminal Investigation is asking for the public’s help in identifying a vehicle potentially involved in Friday night's crash that killed five and injured several others.
The crash on Highway 40 involved a semi-truck tanker carrying anhydrous ammonia that punctured and leaked.
The initial investigation shows minutes before the crash, a dark colored vehicle, potentially involved in the incident, traveled westbound through the intersection of Highway 40 and Spring Creek Road in Montrose.
It continued traveling westbound through Teutopolis on Highway 40 and would have passed the semi-truck tanker.
ISP agents are retrieving surveillance video that could provide more information into this incident.
If you have doorbell or security cameras that may have captured video of this suspect vehicle before or after the incident, or any information, contact Illinois State Police Division of Criminal Investigation Zone 8 at 217-342-7881.
