Now a made man, Sammy "The Bull" Gravano believed he was destined for success. But as the 1980s rolled around, he became disenchanted with the leadership of the Gambino crime family. And after throwing his support toward the more media-happy John Gotti, he had a crisis of faith that led him to make the ultimate betrayal.

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A fierce fighter, Salvatore Gravano proved to members of the Colombo family and the Gambino family throughout the 1960s, ‘70s and ‘80s that if there was ever someone fully dedicated to La Cosa Nostra, it was him.

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He saw himself as an enigmatic spy and went so far as to try to play both sides of the FBI and the CIA. Richard Cain’s later career in international espionage in the 1960s nearly crossed paths with Fidel Castro before once again returning to the mayhem of Chicago—and the mob. 

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He was an infamous Chicago police officer and mobster in the 1950s and 60s. The mean streets of Chicago shaped a young Richard Cain during the Great Depression, and landed him on the radar of mob boss Sam Giancana. 

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At the start of the 1980s, Barry Mills wanted to turn the Aryan Brotherhood into more than just a prison gang; he envisioned a nation-wide criminal syndicate that trafficked in drugs. Little did he realize that as his empire was booming, the Federal government was monitoring his every move.

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To commemorate its fourth anniversary, Parcast and the team behind Unsolved Murders are taking a closer look at what it takes to catch a killer. In the new series Solved Murders: True Crime Mysteries, you'll follow the clues and uncover the missing pieces to some of history's most gripping cases. Every Wednesday, join hosts Carter and Wenndy as they explore the days, months, and even years leading up to a killer being caught. Each episode plays out like a classic murder mystery—where the final reveal is nearly as shocking as the murder itself. Solved Murders: True Crime Mysteries is only available on Spotify.

Enjoy this exclusive clip from the first episode on the infamous “in cold blood” murders of the Clutter Family. If you want to listen to the full episode, follow Solved Murders: True Crime Mysteries, free and only on Spotify.

In the mid-1960s, as prisons throughout Southern California were in the midst of desegregation, prison gangs began to form as means for protection across racial lines. One of the gangs was the white nationalist Aryan Brotherhood. And it would go on to be co-lead by a man who very few people knew named Barry Mills.

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Today, we’re taking a look at a quote from Joaquín "El Chapo" Guzmán. The once-leader of the Sinaloa cartel in Mexico, Guzmán used his crime syndicate to sell billions of dollars worth of drugs.

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Today’s quote comes from Karen Gravano, daughter of gangster Sammy “The Bull” Gravano. Gravano was an underboss in the Gambino crime family, helping John Gotti consolidate power in mid-1980s New York City.

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Greed and ambition would end up getting the better of both George Jung and Carlos Lehder Rivas, turning them from brothers into enemies. Despite their perceived invincibility, it was this rivalry that would ultimately bring them down in 1987.

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