Here's everything we know about Marianne Akers, the 44-year-old woman whose car hit people before driving through the YNOT Outdoors building.

Illinois State Police said the driver who plowed into a building housing an after-school program in downstate Chatham, Illinois, that killed three children and one teenager, was not intoxicated at the time of the crash.

The driver of an SUV that crashed into an after-school camp building in downstate Illinois, killing four and injuring six others, did not have any alcohol or drugs in her system and may have suffered a medical emergency prior to the crash,