Bloods were formed to defend members from the Crip gangs in South Central LA.  They were started by Sylvester Scott and Benson Owens after becoming victims of Tookie Williams and Raymond Washington.  Scott started “Piru Street” and Owens started “Westside Pirus”.  Both groups united to fight the Crips and used the color red as an identifier.  They are considered to be the founders of the Blood Street Gang.  On May 22, 2017 federal prosecutors named Pedro Gutierrez (aka – Magoo, Inferno, Light) as the Godfather of UBN (15,000 members). He was in NYS prison for Murder.

Blood is an alliance of individual street organizations known as "sets" or "hoods". The Blood Alliance originated in Los Angeles, California. Each Blood set is its own individual gang and is known to have sub-clicks, blocks, or lines (line-ups) which are like smaller individual sets within the set. Gang members in gangs under the Blood alliance are known as Bloods or Damus. Damu means Blood in the language of Swahili, a language Bloods are known to use to confuse outsiders. Bloods also refer to each other as "relatives". The gangs under the Blood Alliance are mainly identified by the color red which is worn proudly by all Blood members as a primary color. Each Blood set has significant differences such as hand signs, use of secondary colors, and customs. The Blood alliance has significantly branched out of California and has spread throughout the majority of the United States.

By late 1971 the Crip alliance was well established in Los Angeles. In this same year the Avalon Garden Crips and the Inglewood Crips had joined forces with other Crip sets and began to engage in violent warfare with non-Crip sets. They began to expand to non-Crip set territories controlled by other independent (gangs not in an alliance) gangs including The L.A. Brims, which started in 1969 on the west side Los Angeles and was already a powerful organization by 1971. The Crips targeted these independent organizations because they were not part of the Crip alliance or any alliance and therefore lacked the strength in numbers that the Crips had and were easy targets. The Piru Street Boys, who presented a powerful force in Compton, actually collaborated with the Crips prior to 1972. For a short time the Pirus were sanctioned by the Crips as the Piru Street Crips, and they also wore the traditional blue flags of the Crip alliance.

During the summer of 1972 the Piru Street Crips had a conflict with the rest of the Crip gangs and warfare ensued. The conflict was over a murder the Crips had committed on March 21st of that year at the Hollywood Palladium. After a concert at the Palladium, up to 20 Crips attacked a small group of young men and robbed them of their wallets and leather Jackets. During this attack a young man by the name of Robert Ballou Jr. was beat to death after he refused to give up his Jacket. Robert Ballou was not a member of any organization so the Piru Street Crips had a problem with the other Crip gangs for attacking a neutral person. A neutral person is a person not in a gang, and is also known as a civilian or neutron. The Piru Street Crips were strongly against the abuse of civilians and waged war against the other Crip gangs over this event, but they were severely outnumbered by the rest of the Crip gangs and the Crips prevailed in that battle. The Pirus dropped out of the Crip alliance and wanted to terminate all peaceful relations with all Crip gangs after this war, so they turned to the Lueders Park Hustlers for assistance. The Lueders Park Hustlers agreed and a meeting was called on Piru Street. The Pirus also invited every independent organization targeted by the Crip sets to join the meeting. The Crips had murdered an L.A. Brim member by the name of Lil Country earlier that year, so the Brims attended the meeting as well. Others that attended were the Denver Lanes and the Bishops.



At the meeting, the groups discussed how to combat Crip intimidation, along with the creation of a new alliance to counter the Crips. At that time the color of flags was not important, but since the Crips were known to wear blue flags, the Pirus and the other independent organizations decided to discontinue the wearing of blue flags. They decided to take on the wearing of an opposite color, red, and created a united organization which became known as the Blood alliance. Blood gangs also decided to start demonstrating their flags to the right side, since all Crips are known to demonstrate their flags to the left. Even though all Blood gangs now demonstrate their flags to the right as a result of that meeting, some old school Blood members continued to demonstrate to the left regarding it as the original side and how they were raised. The Athens Park Boys and Pueblos were later also sanctioned into the Blood alliance, and soon after, other independent gangs who had been threatened or attacked by the Crips were also sanctioned into the Blood alliance as well.

Another organization, called the Black P Stones, was also sanctioned into the Blood alliance in Los Angeles. The Black P Stones actually originated in Chicago, Illinois and were brought to Los Angeles in 1969 by T. Rodgers, who was sent to L.A by Chicago's main 21 at the age of 12 to spread the nation and its teachings. T. Rodgers started 2 decks of Black P Stones in Los Angeles, one deck is called the Jungles (Baldwin Village, an area that had an organization called the Jungle Boys which T. flipped into Stones) and the other deck is called City (in the West Adams area). The People Nation alliance did not yet exist in Chicago at the time, so the Stones joined the Brims in Los Angeles as their own Brim sets before the Brims requested to be sanctioned into the Blood Alliance. Even though the Black P Stones in Los Angeles joined the Blood Alliance with the rest of the Brims and soon became their own Blood sets separate from the Brims, The Black P Stones in Chicago remained independent until the People Nation was created in 1978. The Black P Stones in Los Angeles took on the wearing of red flags, but kept demonstrating to the left and used the same symbols and teachings as the original Stones in Chicago. The original Black P Stones in Chicago have been known to show great animosity towards the Black P Stone Bloods in Los Angeles for joining the Blood alliance without permission from the Stones in Chicago, so the Black P Stones in Los Angeles are regarded as renegades by the original Stones in Chicago. Renegade is a person or group of individuals claiming a gang or organization that they are not or are no longer really a part of or on count with. The Blood Stone Villains (also known as East Side Villains) and Blood Stone Pirus of Los Angeles are not part of the Black P Stone Bloods, they got their name from a 1970's R&B group called "Bloodstone" and have no connection to the Black P Stone Bloods in L.A. other than being under the Blood alliance. Contrary to popular belief, T. Rodgers did not start the Bloods, and was not even at the meeting where the Bloods were created. His gang just simply fell in line with the Blood Alliance after the Blood Alliance was created.

United Blood Nation

O.G. Mack, whose real name is Omar Portee, was raised by his grandmother on 183rd Street and Davidson Avenue in the Bronx and was an active high ranking member of an independent and ruthless gang in the area called the One Eight Trey Gangsters. He was arrested in 1988 at age 16 for an armed robbery he participated in with his gang. After serving 3 years at Rikers Island, he was released in 1991 at age 19 and went out to the west coast to spend time with his family in Los Angeles in an attempt to stay away from the trouble of hanging around the deadly gangs of New York City. What he didn't realize was that gangs where also very prevalent in Los Angeles and his family in Los Angeles were members of the Miller Gangster Bloods. O.G. Mack's natural ruthlessness impressed his family and the Miller Gangster Bloods who quickly absorbed him into the Los Angeles gang culture. Even though he never officially joined the Millers, he still participated in their gang activities and was considered a Blood while he stayed a loyal member of the One Eight Trey Gangsters. 2 years later (1993) he returned to New York City to spread the Bloods with the permission of the Millers. Upon returning to New York City he was welcomed back by the One Eight Trey Gangsters with open arms and O.G. Mack quickly convinced the gang to flip from being independent and transform the One Eight Trey Gangsters into the One Eight Trey Gangster Bloods under the Bloods alliance. Within months of returning to New York City O.G. Mack was arrested for attempted murder and sent back to Rikers Island.