When Jack hits the fire alarm at Ted Cofell's office building, a minute later he passes a group of people waiting to take the elevator in the same building. Also, the fire alarm can no longer be heard.
When Jack is hiding under a car in the parking lot, a police car drives by slowly. The driver is clearly a crew member, wearing a white t-shirt, baseball cap, and sunglasses.
(at around 5 mins) Part of the boom mic dips in from behind the rafters above Teri.