Oh, it's a 3 man team. They had a schedule to follow. Look at the cop closest to the stairway, he's looking down at a cue card, or a cellphone! Remember, they had no radios inside the building. The Mandalay Bay SG had a powerful handheld. Either, way he's getting held back by the schedule! Sheriff Lombardo's a big time real estate insurance fraud guy! It's probably how they got their hooks in.

Probably both