How arms trafficking actually works, according to a former arms dealer
How illegal steroids actually work, according to a former smuggler
How cults actually work, according to a former member of Nxivm
How NYC street gangs actually work, according to a former East Coast Bloods member
How the Crips and Bloods actually work
How the Mongols Motorcycle Club works, according to an ex- chapter president
How UK prison gangs actually work, according to a former gang member
I designed a doping program to cheat at the Sydney 2000 Olympics. Here's how it could happen again.
I was a Bloods member, and now I broker peace between warring LA gangs — here's what I learned
How the New Mexican Mafia actually works, according to a former member
How prison in Putin's Russia actually works, according to a former penal colony inmate
How counterfeit Rolexes are produced and distributed, according to an investigator
How 9 gangs and Mafias actually work — from the Crips to the Hells Angels
How 'Grand Theft Auto' actually works, according to a former car thief
How drug-money laundering actually works, according to a former undercover agent
How the MS-13 gang actually works, according to a former member
I was a Crips member, then became a cop — here's what I learned about gangs
I trafficked $5 million worth of cocaine internationally — here's the full story of how I did it
How the Latin Kings gang actually works, according to a former member
Former drug smugglers and undercover cops share how drug trafficking actually works
Rikers Island is one of the world's most notorious jails — here's what it's actually like
How scam call centers work, according to a 'scambaiter'
How home invasions work, according to a former burglar
How ecstasy trafficking actually works, according to a former drug smuggler
How going undercover in the cartels works, according to a former DEA agent
How gangs in San Quentin operate, according to a former prison gang member
How the Nuestra Familia prison gang actually works, according to a former member
How money laundering for the cartels actually works, according to a former undercover agent
How narcotics labs work, according to a former crystal meth dealer
How diamond heists actually work, according to a former jewel thief
How New York Chinatown gangs actually work, according to a former member
How the triads operate, according to a former Hong Kong mafia member
How the Yakuza operate, according to a former gang boss
A detective explains how serial killer investigations actually work
How the Hells Angels operate, according to a former undercover ATF agent
How firearms smuggling actually works, according to a weapons specialist
I was assaulted by a Met Police officer at 14, I now train them. Here's how police racism works
Former Italian "Mafia Princess" on how the 'Ndrangheta actually works
How police corruption actually works in the UK
