"Escape the FIB Building" is an objective in the story mission The Bureau Raid (Roof Entry) in Grand Theft Auto V.
Walkthrough[edit]
With the download complete, head to the Northern door in this room. Once everyone is there, the Gunman will break on through it. Head into the next room. As your crew approaches the door on the right, a FIB Agent will come through it. Take him out then go on through the door. There is a second agent on the other side of the door. The gunman will shoot open the next door. Head on down the stairs. The third agent you encounter here is likely dead already from the Gunman or Franklin.
When you get to the next door, the team will halt. There are 2 agents on the other side of the door. Go over to the left and into the next corridor. The sprinkler system will make seeing a little more difficult. As you enter this room you will encounter at least 4 more agents. Take them out then move on through the big hole in the wall opposite where you were fighting all the agents. Head around to the North after that and get through the next hole in the wall. They will find the remains of the helicopter and the pilot through that wall. He didn't make it. The team will descend another level at this point.
Immediately after they land you have more agents on you. Kill them and head over to the left, past the elevators. You have yet more agents to deal with. Remember to avoid killing the Paramedic you come across when you turn the corner. Just attack the FIB Agents coming out of the far door.
Head into the far door, which leads into Communications. Get on through the room and over to the left. Go on through the room and deal with the few agents in here. Pass through the door on the left and continue on down the corridor on the right. Continue to the right as you descend from 51 to 50. There are a few more agents for you to deal with.
Once down on Floor 50, you have more agents to deal with. Take them out from the doorway of the stairwell. After that head over to the far end of the floor. This will trigger the next cutscene. It is time to start on down. Rappel down to the landing.
