Illinois Disallows "Retrograde Extrapolation" Testimony in DUI/ Drunk Driving Case

On June 16, 2011, the defendant was in the parking lot at the Dolphin Cove Family Aquatic Center in Carpentersville. At approximately 7:30 p.m., defendant made a 911 call via the OnStar system in her vehicle. She told the 911 operator that she had a…
By: Steve Sumner, Attorney at Law