(KMOV) -- A suspected drunk driver has been charged in the fatal overnight accident in O'Fallon, MO.
Chad Frazer, 29, was charged with involuntary manslaughter and leaving the scene of a crime.
Robert Wood was killed when his vehicle was rear-ended by Frazer on eastbound Interstate 70 west of Bryan Road.
According to the Missouri Highway Patrol, Frazer was speeding when he slammed into Wood's car.
Frazer suffered only minor injuries.
Missouri Highway Patrol said he may have been driving drunk.
Bond has been set at $100,000 cash only.