What's that, Lassie? Timmy's on the Lam?

What's the use of having a guard dog, if you can't understand a word he's saying? The Israeli Prison Service has solved the conundrum with a custom computer program that interprets the barks of guard dogs to determine when they're just yammering and when they're actually trying to raise the alarm that a prisoner is escaping.  Now if we only knew what they were talking about the rest of the time.