Detectives are the unsung heroes of crime fighting. They spend hours, days, weeks, and sometimes years following a lead or a hunch to find the truth. They are motivated by the need to bring justice to those who have been wronged or lost their lives in some way. Detectives have existed as long as there has been crime, and they have evolved with society. Of course, there are detectives in books and movies, but we wanted to take a look at five real-life detectives who were better than fiction.