Charlie talks about Heisenberg's Uncertainty Principle, from which the episode title is derived, but confuses it with the Observer Effect, which the episode really is about and should have been titled after. The uncertainty principle deals with measurement, and not observation.
At around the 20 minute mark, Don asks how they're going tracking down the fake "nine-eleven" calls. This was clearly supposed to be "nine-one-one" calls.
Captain MacNevish wears "combat leader identification tabs" on the shoulder loops of his uniform. Delta Force staff officers would not wear these on their shoulder loops.
When the lead robber goes to his getaway car. A person can be seen in the window of the building behind. Not sure if it was the crew or just a lucky civilian checking out the action.