 When Callaghan is carted away by police, he sees his still living daughter being tended to and could only put his head down in shame for the crimes he had and was about to commit.Callaghan returns in the episode "Mini-Max" where it is shown that he is being kept in a high-level security prison.He reveals that he has worked with Professor Granville in the past as she was one of the best teachers working at SFIT and that she had initially resigned due to an accident.