There should be a way to verify ownership and/or vets office via the rabies tag/number.
The ad on Craig's List reads:
Date: 2010-11-21, 10:17PM PST
Reply to: firstname.lastname@example.org [Errors when replying to ads?]
30 POUND MALE BASENJI DOG WENT MISSING SUNDAY AFTERNOON DOWNTOWN 18TH AND 0. PLEASE CALL JOHN TWO1TWO THIRTY SEVENTY
I posted on Facebook.
HURRAY! He was found today! Thanks to all for helping.
Thanks for the good news, Patty. I always wait and hope the lost ones are found safe and sound.
Yay! I'm happy to hear it.