Assault on Precinct 15 | Walkthrough Homefront: The Revolution Guide
Once you reach the place, the civil uprising should be in full bloom, which means that the door should be opened. If it isn't such, prepare the hacking device and throw it on the panel visible on the screenshot. At the beginning, focus on eliminating stormtroopers from a safe distance. Inside, you will meet with a strong resistance from Koreans, so do not enter until you eliminate at least some of them.
Inside, you can find two armored soldiers, who have to be eliminated quickly. Behind the door, there is a small foyer. The soldiers have to cross the foyer, so prepare two Molotov cocktails and throw them in a right moment. After clearing the place, move towards the place seen on the screenshot, and destroy the ventilation shaft cover to get inside. Inside, you will find a computer, which has to be hacked in order to open the door leading to the interrogation room.
After a short cut-scene, return to the resistance base in the middle of the map. There, you need to get to the subway, after reaching the subway, enter the train seen on the screenshot to activate another cut-scene. You will receive 900$.