A Wikipedea of world-wide crime

Russian organized crime or Russian mafia (Russian: росси́йская ма́фия, tr. rossíyskaya máfiya, IPA: [rɐˈsʲijskəjə ˈmafʲɪjə], Russian: ру́сская ма́фия, tr. rússkaya máfiya, IPA: [ˈruskəjə ˈmafʲɪjə]), otherwise known as Bratva (Russian: братва́, tr. bratvá, IPA: [brɐtˈva], lit. 'brotherhood'), is a collective of various organized crime elements originating in the former Soviet Union. The acronym OPG is Organized Criminal (Prestupnaya in Russian) Group, used to refer to any of the Russian mafia groups, sometimes modified with a specific name, e.g. Orekhovskaya OPG. Sometimes the initialism is translated and OCG is used.

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Sábado de mierda ("Saturday of Shit") is a 1988 Mexican film by Gregorio Rocha and his then-partner Sarah Minter, shot between 1985–1987. The film is one of four independent films of the 1985-1991 period focusing on the lives of punk gangs in the Ciudad Nezahualcóyotl ("Neza York") suburb of Mexico City. The specific gang was a group known as Mierdas Punks ("Shit Punks"), who were also featured in the documentaries Nadie es inocente (also by Minter), and La neta no hay futuro by Andrea Gentile. The film is classified as a semi-documentary.

The Aryan Nations Sadistic Souls Motorcycle Club, also known as Sadistic Souls MC, is a white-supremacist outlaw motorcycle club founded in 2010. Since 2014, they have been listed as an active neo-Nazi group in annual reports conducted by the Southern Poverty Law Center.

According to the club's website, the group states that it is "the militant arm" of the Aryan Nations.

Sam Gor (Chinese: 三哥), also known as The Company, is an international crime syndicate, based in Asia-Pacific. The organization is made up of members of five different triads: 14K, Bamboo Union, Big Circle Boys, Sun Yee On and Wo Shing Wo. Sam Gor is understood to be headed by Chinese–Canadian Tse Chi Lop, who was arrested in January 2021 in the Netherlands. The syndicate is primarily involved in drug trafficking, earning at least $8 billion per year. "Sam Gor is alleged to control between 40 and 70% of the Asia-Pacific methamphetamine market, while also trafficking heroin, ketamine and synthetic drugs, and precursor chemicals. The group is active or working with organized crime partners in a variety of countries, including Cambodia, Laos, Myanmar, Thailand, New Zealand, Australia, Korea, Japan, China, Taiwan and Vietnam. Sam Gor previously produced meth in Southern China and is now believed to manufacture mainly in the Golden Triangle, specifically Shan State, Myanmar, responsible for much of the massive surge of crystal meth in recent years.

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Santa Monica 13 or SMG is a Mexican-American street gang located in Santa Monica, California, United States. They reside mainly in the Pico neighborhood. Even though Santa Monica 13 is a Sureño gang, they wear their traditional black bandanas. The acronym SM17 refers to Santa Monica 17th Street, which is the gang's primary subset or "clique". They write up "SMG" or "Santa Monica Gang" to show solidarity.

Satan's Choice Motorcycle Club (SCMC) was a Canadian outlaw motorcycle club that was once the dominant outlaw club in Ontario, with twelve chapters based in the province, and another in Montreal, Quebec, at its peak strength in 1977. Satan's Choice grew to more than 400 members by 1970, making it the second largest outlaw motorcycle club in the world, behind only the Hells Angels.

The club was involved in the first major outlaw biker conflict in Canadian history, when it engaged the country's second largest club, the Popeyes, from 1974 to 1976. Satan's Choice's power began to diminish during the late 1970s, with some of the club's chapters "patching over" to the Outlaws in 1977. The remaining chapters would eventually become members of the Hells Angels, along with most of the other major outlaw clubs in Ontario, in 2000.

The Satanas Gang (aka Ese Te Ese or STS) is a Filipino American street gang in Southern California, founded in 1972. It is believed to be the oldest Filipino-American street gang in Los Angeles.

Satudarah MC is a one-percenter outlaw motorcycle club that has spread the globe since being founded in the Netherlands town of Moordrecht in 1990.

It differs from most other outlaw motorcycle clubs in the fact that it welcomes all races into its club, owing to its historical creation by a group of Moluccans and Dutch friends. Satu darah in Indonesian and Malay means "one blood".

Belgrade gangs:

• Zemun
• New Belgrade
• Voždovac
• Zvezdara
• Surčin
• Šarić

Outside the Balkans:

• Pink Panthers

The Shedden massacre involved the gang-related killing of eight men, whose bodies were found in a field five kilometres north of Shedden, a small village in the Canadian province of Ontario, on April 8, 2006. Four vehicles, with the bodies inside, were first discovered by a farmer. The day after the bodies were discovered, five people, including one member of the Bandidos motorcycle gang, were arrested for the murders, and three more people were arrested in June 2006. The Ontario Provincial Police (OPP) said the killings were an isolated event and there were no fears for the safety of local residents. The killings took place at a farm outside of Iona Station and Shedden was the hamlet closest to where the bodies were discovered in a farmer's field.

Shelltown is a neighborhood located within Southeast San Diego, approximately 5 minutes from downtown San Diego by car and 25 minutes by bicycle. It is bordered by National City on the south, Interstate 5 and Barrio Logan on the west, 43rd Avenue (a continuation of Highland Avenue) on the east, and Gamma Court and the neighborhood of Southcrest on the north. Prior to the 1980s the northern border of Shelltown was National Ave and many residents still consider that the northern border.

Due to the predominance of shells in the sandy soil, the neighborhood became known as "Shelltown." Located on a plateau just north and east of the 32nd Street Naval Station, Shelltown was a favorite location of housing for many of the early naval officers. Their ships were visible from their homes and were only moments away in the event they were called to duty The majority of Shelltown consists of residential homes built between 1920 and 1969. The Naval Base San Diego, an industrial park, and some commercial buildings are located just outside the western border of Shelltown along Main Street.

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The Sin City Deciples Motorcycle Club, also known as Sin City Nation, is a mixed race one-percenter outlaw motorcycle club. As one of the most well-known and oldest black outlaw motorcycle clubs in the United States, they have multiple chapters across the nation and have an additional presence in Canada, Europe, Asia, Australia, and South America. Additionally, the organization has many support clubs in across the U.S. in select states.

The Sinaloa Cartel (Spanish: Cártel de Sinaloa), also known as the CDS, the Guzmán-Loera Organization, the Pacific Cartel, the Federation and the Blood Alliance, is a large international drug trafficking, money laundering, and organized crime syndicate established in Mexico during the late 1980s as one of a various number of "plazas" operating under a predecessor organization known as the Guadalajara Cartel. It is currently headed by Ismael Zambada García and is based in the city of Culiacán, Sinaloa, with operations in many world regions but primarily in the Mexican states of Sinaloa, Baja California, Durango, Sonora, and Chihuahua. It also has a notable presence in a number of other regions in Latin America, such as Colombia; as well as in cities across the U.S. The United States Intelligence Community generally considers the Sinaloa Cartel to be the most powerful drug trafficking organization in the Western Hemisphere, making it perhaps even more influential and capable than the infamous Medellín Cartel of Colombia was during its prime. It has repeatedly been said to be one of the strongest criminal organizations in the world and indisputably the most powerful in Mexico since at least the late 2000s and early 2010s by various sources including the Los Angeles Times.

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Snakeheads (Chinese: 蛇头; pinyin: shé tóu; Hokkien: chôa-thâu) are Chinese gangs that smuggle people to other countries. They are found in the Fujian region of China and smuggle their customers into wealthier Western countries such as those in Western Europe, North America, Australia, and some nearby wealthier regions such as Taiwan and Japan.

Snakeheads use various methods to get their customers to the West. They may employ the use of stolen or altered passports, improperly obtained visas, and bribes to move people from nation to nation until they arrive at their final destination. They also may use fake business delegations and tour groups as a way of beating immigration controls. The rate of payment for successful smuggling can be as high as US$70,000.

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Soldiers of Odin (SOO) (Finnish: Odinin sotilaat) is an anti-immigrant group founded in Kemi, Finland, in October 2015. The group was established as a response to thousands of migrants arriving in Finland amid the European migrant crisis. They call themselves a "patriotic organisation that fights for a Finland" that wants to scare away "Islamist intruders" they say "cause insecurity" and increase crime.

SOO has denied claims of being a racist or neo-Nazi group in interviews and on their public Facebook page. However, the group's founder, Mika Ranta, has connections to the far-right, neo-Nazi Nordic Resistance Movement and a criminal conviction stemming from a racially motivated assault in 2005. According to the Finnish public broadcaster Yle, a private Facebook page for selected members of SOO shows that racism and Nazi sympathies are rampant among higher-ranking members. The group's nature has raised concerns of anti-immigrant vigilantism.

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The Solo Angeles Club de Motociclistas (English: Solo Angels Motorcycle Club) is a motorcycle club that was formed in Tijuana, Mexico in 1959. The club's insignia is simply a chopper-style motorcycle. The club does an annual charity run where they deliver toys to poor children in Tijuana.

Sons of Samoa is a Crips-affiliated street gang based in Long Beach, California, United States. Its membership mainly consists of Samoan Americans with other Pacific island members.

Sons of Silence Motorcycle Club (SOSMC) is a one-percenter motorcycle club that was founded in Niwot, Colorado in the United States in 1966.

Sun Yee On (Chinese: 新義安), or the New Righteousness and Peace Commercial and Industrial Guild, is one of the leading triads in Hong Kong and China. It has more than 25,000 members worldwide. It is also believed to be active in the UK, the United States, France and Belgium.

Sureños ([suˈɾe.ɲos]; Spanish: Southerners)‍, Southern United Raza, Sur 13 or Sureños X3 are groups of loosely affiliated gangs that pay tribute to the Mexican Mafia while in U.S. state and federal correctional facilities. Many Sureño gangs have rivalries with one another, and the only time this rivalry is set aside is when they enter the prison system. Thus, fighting is common among different Sureño gangs even though they share the same common identity. Sureños have emerged as a national gang in the United States.

The Carlton Crew is a criminal organisation based in Melbourne, Victoria, Australia, which was formed in the late 1970s and named after the Melbourne suburb in which it is based, Lygon Street, Carlton, commonly called "Little Italy". The organisation was a fierce rival to the Honoured Society and the Calabrese Family, both of which were Calabrian 'Ndrangheta groups also based in Melbourne, and were additionally allies of the mostly Irish Moran family. The Carlton Crew had a strong role in the infamous Melbourne gangland killings.

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The Tiny Rascal Gang, also known as TRG, Tiny Raskal Gang or Rascals for short, is an Asian American (mainly ethnically Cambodian) gang based in Long Beach, California. The gang was founded by Cambodian refugees in 1981 as part of their cause to protect themselves from the larger, more numerous gangs in their neighborhoods. Initially, a mere cause which connected numerous youth crews and gangs across Long Beach, Santa Ana and shortly after nearby cities, they are now an established network and identity of individual "sets" or local gangs. Its members identify gray as their gang's color of distinction, a custom and practice that has waned somewhat in accordance to the police crackdowns specifically targeting gang members, but members have been seen to dress in all black with a gray rag representing their set.

The Tiny Rascals are considered to be the largest Asian street gang in the US. Cambodians comprise the majority of their members and are the foundation of the gang itself, although TRG opened its doors to let other races join to increase it’s numbers

The Tongan Crip Gang, or West Side 102st Tonga Crip Gang, is a street gang that is a subset of the Crips gang. The gang is active in the U.S. states of California, Utah and others, as well as a presence in New Zealand, Australia, and Canada. Tongan Crip Gang members are primarily of Pacific Islander descent, mainly Tongan.

Toonerville Rifa 13, also known as The Ville, is a Mexican-American street gang located in Los Angeles county.

A triad (traditional Chinese: 三合會; simplified Chinese: 三合会; Jyutping: saam1 hap6 wui6‑2; Cantonese Yale: sāam hahp wúi; pinyin: sān hé huì ) is a Chinese transnational organized crime syndicate based in Greater China and has outposts in various countries with significant overseas Chinese populations.

The Hong Kong triad is distinct from mainland Chinese criminal organizations. In ancient China, the triad was one of three major secret societies. It established branches in Macau, Hong Kong, Taiwan and Chinese communities overseas. Known as "mainland Chinese criminal organizations", they are of two major types: dark forces (loosely-organized groups) and black societies (more-mature criminal organizations). Two features which distinguish a black society from a dark force are the ability to achieve illegal control over local markets, and receiving police protection. The Hong Kong triad refers to traditional criminal organizations operating in (or originating from) Hong Kong, Macau, Taiwan and south-east Asian countries and regions, while organized-crime groups in mainland China are known as "mainland Chinese criminal groups".

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The Tribesmen are a prominent outlaw motorcycle club based in the North Island of New Zealand. They have a relatively large presence, having set up chapters in Ōtara, Northland, Rotorua, Murupara and Christchurch.

There were 108 members imprisoned in 2015.

The Tribesmen MC are considered the dominant players in the gang scene in Christchurch.

The Trust Motorcycle Club, also called Trust Motorcycle Club Germany, are an outlaw motorcycle club based in Germany. It was founded in 1984 as a merging of several MCs. In addition to 33 German chapters, the club has seven chapters in Romania and one each in Belgium and Thailand.

The Vagos Motorcycle Club, also known as the Green Nation, is a one percenter motorcycle club formed in 1965 in San Bernardino, California. The club's insignia is Loki, the Norse god of mischief, riding a motorcycle. Members typically wear green.

The Vagos have approximately 4,000 members among 200 chapters^{[citation needed]} located in the states of Arizona, California, Hawaii, Idaho, Illinois, Nevada, Oregon, Utah, Missouri, Several Canadian chapters Peterborough, Ontario, Chapters throughout Europe and ten chapters located in Mexico (Baja California, Jalisco and Mexico City). Two hundred members are in Inland Empire, where the club was started in the late 1960s.

In 2013, the Vagos expanded to Sweden and Australia.

Varrio Nuevo Estrada, also known as VNEx3, is a Chicano criminal street gang founded in Boyle Heights, California, in the Estrada Courts housing projects. VNE is one of 34 gangs in a 15-square-mile area east of downtown Los Angeles.

The Vendettas Motorcycle Club, or Vendettas Crew, is an International outlaw motorcycle club founded in Winnipeg, Manitoba, Canada in 2009. It was established by the more well-known Rock Machine Motorcycle Club (RMMC) to act as a support club throughout the Canadian province of Manitoba, but would grow to be an international support club of the RMMC with chapters in Canada, Australia and Russia.