Find a helecopter, and fly over to lady liberty. Jump out of the helecopter, in a safe hight, (do NOT die) and land on the balcony-thing (the highest one). There are some entrances but only ONE is the right one (you can find out by walking into the others,...
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This is a very easy easter egg if you have looked around the safe house.
In the safe house, look at the left side of the TV, its dark there, but look closely, you should see an Xbox 360 connected to the TV which has been red ringed.
I found this on...
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