This is what I’d be hammering on.
It’s not as if he was on a manhunt. Just “serving”. No reason for him to do anything but wait at the front door. Then he left his card!
Not in the backyard for no good reason, no need to taser a tehtered dog.
We agree on this.
The IRS/NSA probably heard the dog “barking in code” late one night and painted him a target.