Former Nuestra Familia commander John "Boxer" Mendoza updates Insider about the rules and codes of prisons, as well as how wars would start between gangs. Jimmy Tsui is a former member of Tung On in New York City's Chinatown. He covers the secret initiation rituals of the Sun Yee On triad in Hong Kong. Former Chinatown gang member Mike Moy reveals the secret tunnels and smuggling methods of the groups and how he later became a New York police officer. Bryan Sobolewski provides insight on diamond heists and how gems are valued and resold. Former burglar Stephen Gillen discusses targeting high-value homes and commercial properties, such as jewelry stores and designer-brand warehouses. Insider also speaks to ex-yakuza Yuyama Shinya, who discusses extortion and protection rackets of Japanese organized crime. Robert Mazur is a former government agent who investigated drug-money laundering for the US Drug Enforcement Administration and the Customs Service. He reveals how he successfully infiltrated Pablo Escobar's Medellín cartel. Ex-forger Jeff Turner discusses how he counterfeited over $1 million in US currency. He forged the 1996-series $100 bill and later the 2013 "blue note." 00:00:00 - The Triads (Hong Kong Mafia) 00:20:19 - Money Laundering 00:42:26 - US Prison Gangs (Nuestra Familia) 01:14:58 - New York Chinatown Gangs 01:30:58 - Diamond Heists 01:49:28 - The Yakuza 02:08:11 - Counterfeit Money 02:23:30 - Burglary Gangs MORE HOW CRIME WORKS VIDEOS: How Burglary Gangs Actually Work https://www.youtube.com/watch?v=0IGgkuF1YJE How Counterfeit Money Actually Works https://www.youtube.com/watch?v=FGAVpJfG1yQ How Drug Smuggling (Ecstasy) Actually Works https://www.youtube.com/watch?v=bij-89fpFBw ------------------------------------------------------ Insider is great journalism about what passionate people actually want to know. That’s everything from news to food, celebrity to science, politics to sports and all the rest. It’s smart. It’s fearless. It’s fun. We push the boundaries of digital storytelling. Our mission is to inform and inspire. Visit our homepage for the top stories of the day: https://www.insider.com/ Insider on Facebook: https://www.facebook.com/insider Insider on Instagram: https://www.instagram.com/insider Insider on Twitter: https://twitter.com/thisisinsider Insider on Snapchat: https://www.snapchat.com/discover/Insider/2708030621 Insider on TikTok: https://www.tiktok.com/@insider How 8 Crimes Actually Work (From The Yakuza To The Colombian Cartels) | How Crime Works | Insider