The lawyer for the woman who crashed into a building in Chatham, Illinois, Monday, killing four girls, spoke publicly for the first time Friday.

Investigators late Thursday were still looking into what caused the crash through an afterschool program building in Chatham, Illinois, which left four girls dead. Sabrina Franza reports.

The driver of the vehicle involved in the crash that killed three children and a teenager may have had a medical emergency, according to law enforcment officials.