Jimmy must decide to either arrest bob or stay loyal to his friend
bob talks to a policeman about waiting for an old friend to meet after 20 years. he assures the policeman that his friend will show up and he says he will wait 30 min. beyond the meeting time.
Cell 01: bob
jimmy tells another undercover cop about this run in to. the undercover cop walks with bob and once they get under the street light bob realizes that he isn't Jimmy.
The undercover cop then gave bob a note that was written by officer wells also known as Jimmy, he reads it and knows now that the cop was Jimmy.
bob reads a note that was from jimmy saying, that he couldn't arrest him cause he still valued their relationship, and wanted him to know that he still met him at the same place same time after 20 years.