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

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,

Illinois State Police Director Brenden Kelly said early evidence from a deadly crash at a Chatham after-school program Monday indicates the driver may have suffered a medical event. But he said that is not yet conclusive. No charges have been filed, and the investigation is ongoing.