Police have not released their full names, but sources say they are "Reba, Joe, and Wendy" and are co-workers of Heather.
They are currently being held at the Gwinnett County Courthouse, Monday through Friday, 7 AM to 5 PM.
Grayson: "Hey Amber! What's wrong? Oh, I see the problem. You need new socks!"
What we don't know:
The clues:
The investigation continues...