Florencia 13 (Sureños) of Los Angeles With an estimated 2500 members and powerful criminal connections, Florencia-13 or F-13 is L.A.'s largest and deadliest Hispanic gang. The gang is one of the oldest in L.A.'s notorious South-Central neighborhood. When rivals threaten to move in on their lucrative drug trade, they use any means necessary to protect their empire.

The Tiny Rascal Gangsters, also known as the Tiny Rascal Gang or Tiny Rascals, was created in California during the middle 1980's. It was formed by Cambodian youth gang members and is presently considered the largest Asian Street gang in the United States.

Cloaked in secrecy and bound by their Hmong ancestry, Menace of Destruction is one of America’s most notorious and violent street gangs. The gang has turned the twin cities of Minneapolis and St. Paul into a battleground.

Dead Man Incorporated," or "DMI" is an ultra-violent prison gang that has become the biggest threat in the Maryland State penal system. In just ten years, the gang has grown to include more than 14,000 members and can now be found across the country. DMI enforces strict rules and maintains an air of secrecy.

The East Coast Crips are on a mission to prove they're tougher than their West Coast counterparts by terrorizing the streets of NYC. Crips on the East Coast employ brutal, in-your-face violence, decimating anyone who stands in their way. Their unique brand of violence includes slashing the faces of their victims, leaving them permanently disfigured.

Gang: New Mexican Mafia of Phoenix In the "Valley of the Sun," the ruthless Arizona New eMe own the streets. Formed in the 1980's as a prison gang, they've spread across the state and they're turning a big profit from drug sales. The New eMe take pride in their Mexican heritage, showing their allegiance with tattoos that signify their Aztec roots. Those who dare oppose New eMe are left in pools of their own blood.

Gang: Black Mafia Family of Atlanta, GA In Atlanta, the Black Mafia Family, or BMF, controls the street flow of cocaine. The gang throws its cash around the hottest nightclubs in the city. The gang's charismatic leader, Demetrius "Big Meech" Flenory, plays the dual role of a tough, street-minded gangster as well as a music promoter. The Feds have been after BMF for years, but the gang has always managed to stay one step ahead.

History explores that world of La Gran Familia (LGF), a violent crime syndicate of five Hispanic gangs that terrorized the streets of metro Atlanta. Through interviews with gang members, law enforcement officials, and a confidential informant, this episode reveals the life, history, and current state of Atlanta's most notorious gang, LGF.

Colorado Springs has been overrun by anarchy and violence ... the culprit...Colorado's largest motorcycle gang- The Sons of Silence. Many members join for a world of gun-running, drug-dealing, partying, and mayhem. Since its inception in the late 1960's, the Sons of Silence have spread and now have 36 chapters throughout the world.

In the state of Washington, one outlaw biker gang reigns supreme - the Hells Angels. Despite being one of the smaller clubs in the area, the Angels are backed by their brutal reputation.

We trace the growth of the Warlocks motorcycle gang, founded by Vietnam vets, from the assassination of its president to their attempt to claim Florida as the “Warlock Nation."

The Pagans started in Maryland in the 1950s before eventually growing to a membership of over 900 men in 44 chapters spread along the east coast. The Pagans' symbol is the staff wielding Norse fire-God Surtr, who is the inspiration for the gang's own deadly weapon of choice: the axe-handle.

The 75th episode of Gangland brings us something unique. Legendary rappers Snoop Dogg and Ice-T guide us through the Most Notorious characters in the history of the series. From street soldiers, to killers, bikers, and convicts, these are the men who stand out from the rest. Now they've been assembled in one provocative episode. In the end we'll learn who is Gangland's Most Notorious.

In Columbus, Ohio, a white supremacist gang obsessed with firearms and explosives terrorizes the public. The goal of the Aryan Republican Army, also known as the ARA, is to overthrow the federal government by any means necessary.

Gang: Hells Angels MC of Seattle In the state of Washington, one outlaw biker gang reigns supreme - the Hells Angels. Despite being one of the smaller clubs in the area, the Angels are backed by their brutal reputation.

Salt Lake City is home to the Latter-day Saints (LDS) Crips, a gang that may look different from the Los Angeles original but is no less violent.

The domain of FSU – which can mean either Friends Stand United or F**k S**t Up – is the hardcore music scene. We interview founding members as well as law enforcement officials to uncover the gang’s bloody history.

The good times roll in New Orleans’ French Quarter, but a vicious gang known as the Gotti Boys rule the streets around it – and there is no mercy for those caught in the crossfire.

The Latin Kings were formed in the windy city Chicago. They are the largest, and most brutal Latino gang in the country. They are also among the most organized, with a strict code of conduct, outlined in the gang's constitution. Their roots trace back to the 1940's, when Mexican and Puerto Rican immigrants settled in the Chicago area.

Known as the Gateway to the West, St. Louis, Missouri is home to an estimated 10,000 gang members. The Boys of Destruction - BOD - are one of the city's most notorious gangs. Martin Luther King Drive is the dividing line between the BOD's turf and that of their fiercest rivals, The Horseshoe Posse.

Two of the world's most feared outlaw motorcycle gangs, the Hells Angels and the Mongols, are entrenched in a brutal turf war for the state of California. The fight began in 1977 when the Mongols began claiming California as their territory.

One of Chicago’s most ruthless street gangs, Satan Disciples claim to practice “free enterprise.” High-ranking members describe the rise and fall of “King Aggie,” who ordered a hit on a popular younger leader that ultimately spelled his own doom.

Zoe Pound is Miami’s most notorious Haitian gang, with a history of brutal tactics – from violent home invasions to attacking Haitian freighters and beating and torturing their crews.

In Memphis, Tennessee, a select group of drug dealers and killers banded together to form the most notorious gang on the Mississippi Delta: The LMG or "Love Murdering Gangsters." Life in South Memphis is a toxic mix of poverty and drugs; irresistible to gangsters looking to make a quick buck.

Los Solidos are Hartford, Connecticut’s most ruthless gang. We hear about the gang’s rise and the vicious war with their powerful rivals, the Latin Kings.