Arturo Braga

Aurtoro Braga, also known as Ramon Campos, is the main antagonist in Fast & Furious and a minor antagonist in Fast and Furious 6. He was a drug trafficker the head of one of Mexico's biggest cartels known for running heroin across the Mexico-US border. He was also a friend and associate of Owen Shaw. He is portrayed by John Ortiz.

Biography
Braga first appears, posing as Ramon Campos, when Dominic Toretto and Brian O'Conner infiltrates Braga's street race and are trying to secure a spot in Braga's driving team. Dom wins and joins Braga's team to race heroin into Mexico. After one of his drivers is arrested, Brian infiltrates his team. Brian and Dom never know the identity of Braga whilst they are working for him. During a money trade,they discover that Ramon Campos is actually Braga but he escapes to Mexico before they can aprehend him. He is later tracked down and captured by Brian and Dom at a church. Unfortunately, they are pursued by Braga's men as they race to the US border via the tunnels. Even though they manage to kill or shake off the gangsters, Brian's car crashes and he and Brian survive. His right-hand man, Fenix Calderon, who is apperantly responsible for Letty Ortiz's death, is killed by Dominic just as he is about to kill Brian. After Dom hands him over to Brian, Braga is sentenced to life in prison.

In Fast and Furious 6, it is revealed by one of Shaw's former associates, who was killed by Shaw's men after being interrogated by Gisele and Riley, that Braga was working with Owen Shaw to help identify the police informants. Brian then decides to pay Braga a visit by being smuggled into prison. While he is there, he eventually runs into Braga asks him about Letty. He reveals that Letty survived the crash and explosion but suffered from memory loss and was taken in the hospital. Owen went to go kill her, but because she had no memory, he spared her and recruited her to his team. Braga and his men then attack Brian but he mananges to single handily defeat them. Brian then tortures Braga until he tells him what Shaw is planning.