Wonder if he had a good samaritan pay that on his behalf for some reason? Otherwise, If AT&T won't see the error of their ways (after speaking with management) and insist on giving him a check for $9000, I'd put it in a CD with the interest sweeping to my DDA each month until they suddenly wake up and figure out where it came from and want it back.
"Once you learn to read, you will be forever free."
- Frederick Douglass
My Opinion Only.