FIB

The FIB is the GTA 5`s resolution for FBI and it has a big inpact in the story.

FIB story
Michael is friend with Dave who is an FIB agent. Steve Haines is also an FIB agent and is most corrupt character.

Dave Norton and Steve Haines is forcing Michael to make Franklin and Trevor join the corrupt circle. Sometimes the team is doing heists and then the corrupt FIB agents take almost all the money. Dave can be dangerous as seen in the beginning video of "Dead man Walking" where he hits Michael after he don`t wanna do what dave says. In the last mission (Option: Death wish) you can actually kill Steve Haines. Nothing is known about Dave Norton later.

TRIVIA
-FIB agents can be seen around the satellite dishes and around a weird small hut.

-FIB is one of the security inforcements in GTA 5 together with the IAA and Merryweather.

-The FIB has a lot of myths evolving them like the two UFO`s with FIB written on them.