BE SURE TO TAKE THE PERMIT (it looks like a letter) WITH YOU TO THIS AREA! Or, you'll see this...
After you get in, watch out for the spiked balls. Interestingly enough, if you shoot, the spiked balls will disappear along with the people. Anyway, in the first door is the blue communicator. Grab it. In the second door are ten bullets. There is a way to get all of them!