muskeegan, michigan. it's about 10:30 on a quiet morning outside sam's drink-all convenience store. courier is leaving the store with a friend. she's pushing her 18-month-old toddler, elijah, in a stroller. the parking lot is nearly empty as a man leaves the convenience store directly behind them. he gets into the driver's seat of a parked minivan. >> usually when you see someone like passing behind a vehicle, you're supposed to wait. but he didn't. >> the women stop behind the car, and arianna bends down to the stroller. the driver reverses and plows into them. the impact knocks courier to the ground. >> i look up, see what happened, and then i see the stroller with my son in it attached to the bumper of the van. and they were dragging him. >> the driver accelerates, dragging the toddler across the parking lot. courier races after her son. >> i knew i had to get up and go after him and save him. >> the driver stops momentarily, and courier struggles to unstrap elijah and free him from the stroller. courier embraces elijah while her friend and another man who witnessed the incident