Oh, gag.
Alright, so the guy's got a little too much St. Francis in him. However, I believe dogs can sense things. I've SEEN them sense things. Things like death, heart attacks and strokes.
This reminds me of the time my girlfriend came over to visit me. "Pookie," our daschund, fell asleep in her lap as she talked with the family. Suddenly, "Pookie" woke-up and bit her on her neck