During Phelps time as an officer you are able to patrol L.A. You can drive around with your partner watching out for any problems that you see. During your watch out you may confront shooting, fighting, and car chases. You can also drive around and get calls from oher police officers on your radio. You can tell them you are coming and take place in big shootouts. As an officer there are patroling missions and side quests that you can take in like chasing after a criminal, or chasing a bad guy on foot or in a police car. You can even stop grand theft auto or random gun firing. When someone is shot, you can wait at the body and tell people to clear away from the victim. Phelps officer patrol desk has many missions. They care not cases because at the time you are not a detective yet.