Go on Villa and when you start turn right, go outside and into the garage.
You will see an enemy at the car, shoot him and then stand at the bottom of the stairs (will take 1-3 secs) until an enemy opens the door. Then shoot him and the other 2 or 3 people that are there with him.
Now plant C4 on the stairs and backup should arrive. You should hear voices saying "check that out" or something. Now there should be about 3 people or maybe 2 coming down the stairs, so detonate your C4 and to do that go in the black corner near the car.
Wait about 5 secs and if no one comes shoot. If there is still no one then go upstairs and left through the door. Now there should be more people.
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