- Martin Krompier Jewish Boxing Promoter, Broadway Mobster and Dutch Schultz Crony
- Marvelous Price/Racism
- Mary Ann Cotton, Dark Angel
- Mary Ann Holder : Killer
- Mary Barton
- Mary Cecilia Rogers and the Real Life Inspiration of Edgar Allan Poe's Marie Roget
- Mary Jane's Ghost
- Mary Lee Orsini
- Mary Lee Orsini: Mother and Murderer
- Mary Queen of Scots' Downfall
- Masche
- Masked
- Maspeth, Queens Crimes
- Masquerade
- Mass Killers
- Mass Killers: Crimes Against Humanity
- Mass killings
- Mass Murder in California's Empty Quarter
- Mass Murder in the Sky: The Bombing of Flight 629 (Historical True Crime Short)
- Mass Murders
- Mass Shootings: Six Steps to Survival
- MASS: A Sniper, a Father, and a Priest
- Massacre in Cumbria - The Day Gunman Derrick Bird Brought Terror to the Lake District
- Massacre on Prospect Hill: The True Crime of Francis Lloyd Russell
- Massacres of the South - 1551-1815 (Celebrated Crimes Series)
- Massemorderens private eposter
- Massmordet på Mälaren
- Master Betrayal: The Conspiracy to Kill Jane Bashara
- Master Chronology of JFK Assassination
- Master Chronology of JFK Assassination Appendix XIII: Jack Ruby
- Master Manipulator : The True Story of Serial Killer Kim Snibson
- Master of Deceit
- Master Spy: The Life of Robert P. Hanssen
- Masters 360
- Masters of the Lost Land
- Mastro Titta: il boia di Roma
- Mata Haris in Ostberlin
- Matar a Lucía
- Matar no es fácil
- Mataram Marielle
- Matchfixeren
- Matchfixing
- Matrioska
- Matthew Ianniello Genovese Family Acting Boss
- Maxwell
- Maybe You Die: The True Story of a Couple Living the All-American Nightmare
- Mayhem
- MBS
- McMaffia
- Me & My Girls
- Me and My Brothers
- Me Chamam de Korney
- Me Jean-Pierre Rancourt
- Me Llaman Korney
- Meaner Than Fiction
- Measuring the Effectiveness of Leadership Decapitation in Countering Transnational Criminal Organiza...
- Measuring Transnational Organized Crime Threats to U.S. National Security: Analysis of Three Concept...
- Media Meddlers: The Real Truth About the Murder Case Against Rubin “Hurricane” Carter
- Medianoche en México
- Medical Monsters
- Medico Industries Pittston, Pennsylvania Defense Contractor Mafia Ties
- Medieval Outlaws
- Mediscams
- Meet... THE Oddsmaker
- Meglio regnare all'inferno
- Mehr werdet ihr nicht finden
- Mein Leben nach dem Tod
- Meine Geschichte beginnt in einem wunderbaren Dorf.
- Mejor muertos
- Melania Rea
- Melvin Jaquith Boston Mobster of the Dickens-Power Gang
- Member of the Family
- Memoiren des Werner Klaußer
- Memoirs of a Murder Man
- Memorial Criminoso Do Pt - Volume 1
- Memorial Drive
- Memorias de un infiltrado
- Memorie di un ladro filosofo
- Memories of a Stolen Life
- Memories of Miami Vice1
- Memphis Murder & Mayhem
- Men Misbehaving
- Meneer Heineken, het is voorbij
- Mensenhandelaren
- Menti criminali. Analisi comportamentale e profilo criminologico secondo l’F.B.I.
- Mercenary Pilot: The True Adventures of "The Doctor"
- Merchants of Menace - The Mafia
- Merci monsieur le juge !
- Meredith Kercher. Un delitto imperfetto
- MERGELLINAPILS
- Mes homicides
- Mes tueurs en série
- Messaggero Del Tempo
- Messe noire
- Messiah ... Money & Mayhem
- Met Her on the Mountain
- Metal Men
- Meurtre à la palombière
- Metal Men
- Meurtre à la palombière
- Meurtres au féminin
- Meurtriers sur mesure
- Mexican Borders 2
- Mexican Drug Cartels and Terrorist Organizations, A New Alliance? Crime-Terror Nexus is Opportunisti...
- Mexican Drug Groups in Chicago
- Mexico's Drug War and Criminal Networks
- Mexico’s Fight against Transnational Organized Crime: Weakening of the Sinaloa Cartel and El Chapo G...
- Meyer Shapiro Brownsville, Brooklyn Thug
- MFAA - The History of the Monuments, Fine Arts and Archives Program
- MH370
- Mi madre, Yiya Murano
- Mi viaje al infierno
- MI5 at War 1909-1918
- Miami's Criminal Past
- Michael "Mickey" Candella Mob Informant Colombo Mafia Associate
- Michael Benson's True Crime Bundle: Watch Mommy Die, A Killer's Touch & A Knife In The Heart
- Michael Bruce Ross And Other Killers
- Michael Jackson, Part 2
- Michael Scandifia Gambino Family Loanshark Murdered Near Tuxedo, New York December 1968
- Michael Viggiano Heroin Dealer and Mobster Slain In Canarsie August 26, 1974
- Michelle Despain & Other Killers
- Michelle Giacomo "Jack" Scarpulla Long Island City Butcher and Gambino Family Caporegime
- Michelle Knotek, Killer
- Mickey Thompson
- Midnight Express
- Midnight in Mexico
- Midnight in the Garden of Good and Evil
- Midnight Return: Escaping Midnight Express
- Midnite's Journey
- Miedo y construcción de paz en México
- Mijn gestolen leven
- Mijn leven
- Mijn leven in de hel
- Mijn ontvoering door Toos van der Valk
- Mike and I and the Great Adventure
- Mikuláš Černák prehovoril?
- Mikuláš Černák-Boss slovom aj obrazom
- Milanesi brava gente
- Milanesi brava gente vol. III
- Milano criminale
- Milano giallo e nera
- Milano sotto Milano
- Milano, solo andata
- Milat
- Milena Di Maulo - Fille et femme de mafiosi
- Military Sexual Trauma (MST) - Report of The Defense Task Force on Sexual Assault In the Military Se...