It was close to a military academy, the Pakistani version of a West Point or Sandhurst. Suspicious, yes, but also where no1 would have really expected.
As for whether he is dead, does it really matter? Other than the political points for Obama, this has very little effect on the "war on terror". It's funny watching all these idiotic pundits on TV claiming the snakes head has been cut. It's not as if he was a front line commander, and given all the AQ affiliated groups with differing interest (beyond "death to America), he couldn't have been providing much strategic guidance either.