Revealing the secrets of the Mafia's most notorious members, beginning with Sam Giancana, who was associated with the Kennedys, Frank Sinatra and the CIA.

Charles "Lucky" Luciano was the number one gangster of all time. He put the "Organised" into organised crime and invented the modern Mafia.

The story of, Joe Colombo, the youngest Godfather of the Mafia that had problems caused by his flamboyant way of living.

The story of ambitious American mobster John Gotti, who became the boss of the Gambino family by ordering the death of the group's former head. He earned the nickname `Teflon Don' after three acquittals.

The story of Tony Spilotro, who protected the Chicago Mafia's interests in the casinos of Las Vegas and became a target for the FBI.

Raised in the slums with terrifying gangs. He grew to inherit a Mafia entity; only to be faced with murder, the electric chair and fierce rivalry.

Even while being behind the bars for a great part of his career, Carmine Galante was still able to have a lot of power in organized crime.

Former FBI agent Joe Pistone, who infiltrated the Mafia for six years as Donnie Brasco, reveals how his undercover work led to more than 100 convictions - and resulted in the death of underworld figure Dominick `Sonny Black' Napolitano.

A close associate of longtime Teamsters President Jimmy Hoffa and associated with the Chicago Outfit, Alan Dorfman embezzled millions for the mob and himself until he was violently murdered in 1983.

How Joseph Valachi knew there was a 'hit order' out on him, and lived in so much fear that he revealed Both the existence of, and the whole structure of the Mafia for the first time.

New York City mafia hit man, Roy Demeo, escaped the authorities for a long time and killed around 200 people.

The story of Meyer Lansky, an associate of Lucky Luciano who was linked to criminal financial operations, but the FBI struggled to pin anything on him - or find his riches.

Good friends and business partners Robert Kubecka and Donald Barstow were able to bring down nine of the biggest gangsters of New York City.

Arnold Rothstein schooled the founders of the American Mafia in the ways of organized crime in the 1920s & set the model for running crime business. Infamous for fixing the 1919 Baseball World Series, he was the criminal genius behind a bootleg empire.

As the head of Murder Inc. Albert Anastasia would oversee the American Mafia's most violent period in history. As Luciano's go-to killer, Albert and his hitmen committed murder wholesale. He was a psychopath who would outlive his usefulness.

Under the disguise of mental illness Vincent Gigante evaded the authorities and rose to become the most powerful mobster in New York. When FBI realised their mistake they would stop at nothing to take him down. But would he escape one last time?

Joe Massino, the 'Last Don', crushes anyone who goes against the mafia code of omerta. Loyalty to his family, and obedience to their code of silence, is everything. But when the Feds take Massino down, Massino takes everyone down with him.

In the 1980s and '90s, the Mafia controls the New York criminal underworld. But by the early 2000s, evidence surfaces that the mob has gone much further and has people inside the NYPD. Now a dedicated team of detectives must find out who are the Mob Cops.

In the lawless days of Prohibition America one gangster stands out as the black sheep Dutch Schultz. When Dutch threatens to kill a state prosecutor the mob can't risk the fallout. So they send Dutch a special message: a body full of lead.

America's first superstar gangster, Al Capone, dominated headlines and is said to be responsible for the bloody St Valentines' Day Massacre. After being made the face of organized crime by US government Capone's public image brings about his downfall.

The iconoclastic career of Joesph "Crazy Joe"" Gallo and his brothers Albert and Larry is followed from his murder of Albert Anastasia in 1957 until his own assassination in 1972.

Bugsy Siegel, the Jewish gangster with charm and a killer's instinct, plays hard and dreams big. He's got a vision to build a gambling mecca in the Nevada desert; but when he stops playing by the Mafia's rules, Bugsy pays the ultimate price.

Florida and Cuba were ruled by top don Santo Trafficante. The King of Cuba's casinos was on the verge of mob stardom when a revolution destroys his plans. It results in a secret alliance between the mob and the CIA and a failed assassination attempt.