1.1. Find clues in a crime zone and discover suspects.
1.2. Investigate suspects (spy them) to find out their hide-outs, bases and connections between gang members (find more suspects).
1.3. Initiate action mission.
2.1. Join an action mission (initiated from the player or generated from other agents -- computer or co-op players).
2.2. Attack a gang base or hide-out.
2.3. Pursuit (by foot or car) a gang member to arrest or defeat him.
2.3. Locate a gang member in an area to spy or arrest him.
2.4. Ask for help.
2.5. Rescue an agent.