A
 - Rudolph Ivanovich Abel (Hollow Nickel Case)
 - Aldrich Hazen Ames
 - The Atom Spy Case

B
 - (Baby Face Nelson) John Paul Chase & Lester M. Gillis
 - The Brady Gang
 - Bonnie and Clyde
 - The Brinks Robbery
 - Billie Austin Bryant

C
 - Al Capone

D
 - George John Dasch and the Nazi Saboteurs
 - Velvalee Dickinson, Doll Woman
 - John Dillinger
 - Duquesne Spy Ring
 - Durkin - Murder of a FBI Special Agent

E
 - Joseph Edward Earlywine
 - "Espionage in the Defense Industry"

F
 - The Fur Dressers Case

G
 - Jack Gilbert Graham
 - The Greenlease Kidnapping

H
 - Robert Philip Hanssen Espionage Case

J
 - John Elgin Johnson

K
 - George "Machine Gun" Kelly

L
 - The Lindbergh Kidnapping

M
 - Maksim Martynov
 - Richard Floyd McCoy, Jr. - Aircraft Hijacking

P
 - (Pretty Boy) Kansas City Massacre - Charles Arthur Floyd
 - Gerhard Arthur Puff

R
 - The Charles Ross Kidnapping

S
 - Willie Sutton

T
 - James Edward Testerman
 - "Thwarted Sabotage in Zambia"
 - Tokyo Rose
 - Roger "The Terrible" Touhy's Gang

V
 - Vonsiatsky Espionage

W
 - The Weinberger Kidnapping
 - The Weyerhaeuser Kidnapping