I was thinking the same thing.
It's too soon to tell, but it does sound like that. Even if he had a medical condition or was attacked, there's no reason why more than 1 cage would have been open at a time.
For some reason the picture isn't displaying...
But how good is it at finding dog droppings in the fall after the leaves start to fall? And how long will it take for them to get the price low enough that us average people can afford one?
I'd like to see a new Star Trek series created by Joss Whedon...
You might not want to do this before visiting the dog park...