Task: Question Answering
Input (English): Passage: Miklo is a man of Mexican and White American ethnicity who grew up in El Pico Aliso barrio in east Los Angeles. Upon moving back home from Las Vegas, Nevada, Miklo goes to stay with his two cousins Paco and Cruz. Miklo tells Cruz that he wants to join their gang Vatos Locos. While Paco is initially skeptical, Miklo later proves himself when he performs an attack on a rival gang, Tres Puntos. Afterwards he is made a member of Vatos Locos.
However, the Tres Puntos gang soon takes revenge by brutally attacking Cruz who is a budding artist, and damages his back for life. When Vatos Locos learn of the attack, they perform a well-planned counterattack. However, things go wrong when Miklo ends up getting shot by their rival gang's leader, "Spider". Miklo is able to shoot and kill Spider, but has to be rushed to the hospital by Paco while being chased by police. Paco crashes into another car at the El Pino tree and they are both arrested.
From here, the trio's paths diverges: Miklo is sent to San Quentin State Prison for murder, Paco volunteers for military service in the United States Marine Corps as an alternative choice to prison, and Cruz continues his passion for art. He also becomes a heroin addict due to the recurring back pain. His addiction leads to him being disowned by his family after his 12-year-old brother, Juanito, sees Cruz's needle next to him while he is passed out and naively decides to inject himself with it and dies from an overdose.  Paco becomes an L.A.P.D. narcotics detective after leaving the Marine Corps. 
Question: Whose brother sees a needle next to him while he's passed out?
Output (English): Cruz.