'José "Coquito" López Rosario (1976 – July 28, 2006) was a Puerto Rican drug dealer and kingpin as well as a mafia boss. Lopez Rosario's death caused a scandal in Puerto Rico because of his alleged ties to prominent politicians. José was the boss of one of the 3 families that compose the Puerto Rican Mafia. He was actually the founder of the López Rosario family named after him. There was also Quitoni a.k.a. El Gran who was the Top Boss of the Puerto Rican Mafia. As well as the leader of the Vega Family named after its leader Ivan Vega. These men formed the Puerto Rican Mafia that José was a part of.
López Rosario was born in 1976, and grew up in the Torres de Sabana Housing Project in Carolina, Puerto Rico. He enjoyed baseball and became known for his ability to play that sport as a teenager
According to police records, López Rosario rose to prominence in the underworld after the alleged former Puerto Rican mafia bosses were sent to jail or killed. He lived in Villa Carolina, a neighborhood in the city of Carolina, but supposedly set up his drug dealing business in Torres de Sabana, where he was from. It is here where he notices Junior Nunie Mendez Santiago a kid known for his violent temper and street smarts.Jose Lopez Rosario and Junior Mendez Santiago had a brotherly bond that lasted to the end of Coquitos life, there is no evidence but it is known by the people in the island that by the age of 15 Junior Mendez Santiago had committed over 12 murders including his two older step brothers Kevin and Angelo also involved with the Lopez Rosario family. The federal government of Puerto Rico as hide and denied all evidence that in 2012 Junior Nunie Mendez gave the federal government of Puerto Rico information on over 150 unsolved murders committed by his deceased brothers and the places where body's where buried he also confessed to 18 murders and participation in 11 others never giving information on any body still living so he was never considered a snitch and kept his respect and reputation on the streets. All this in the desperate attempt to get his other two brothers Allen and David sentences reduce. the deal with the government went thru, the sentences got reduce and Junior Mendez has never been imprisoned.
López Rosario started a career as a producer of reggaeton music. He was the owner of Blin Blin Music and managed artists like Plan B. López was also known for organizing huge parties and musical events for his community. During his musical career, he had ties with artists such as Daddy Yankee, Don Omar, Tito El Bambino, Tego Calderón, Zion & Lennox, and others.