[DannyTN]

The list of suspects would probably be pretty small.

• Who else looked at or wanted the puppy other than the family that was going to get him?
• Who works or volunteers at the shelter who knew about the puppy?
• Were there any previous owners that might have come for the puppy?

[Blurb2350]

Many shelters have websites featuring adoptable dogs. The thief may have learned of the puppy via the internet.