The Investigator, Jim Leach, visits with his college professor Roger Fisher.  Prior to his 30-year career teaching Criminal Justice, Mr. Fisher served as a Special Agent in J. Edgar Hoover's FBI.
If you enjoy law enforcement programs, you will really like this episode!

You can find Jim Leach's latest work, “ Murder's a Tough Business, The Pursuit of True Evil”, along with his other excellent law enforcement books at Amazon.com