|Minor Character: Miami|
|Name||Raymond C. Caine Sr.|
|Birth Date||July 07, 1963|
|Family|| Horatio Caine (brother)|
Ray Jr. (son)
Yelina Salas (wife)
Madison Keaton (daughter with Susie Barnham)
Kyle Harmon (nephew)
|Occupation|| Former Police Officer|
|Portrayed By|| Dean Winters|
Raymond C. Caine Sr.  was the younger brother of CSI: Miami's Horatio Caine. He has worked undercover several times (leading his wife, son and Horatio to believe he was dead). He later returned to Miami and made contact with Horatio, who then set up a meeting between he and his "widow", Yelina Salas. Raymond was later killed in Rio by Antonio Riaz, leader of the Mala Noche.
Horatio always keeps an open ear for information regarding his brother's death. He encounters Ray's former contacts in the drug world after the CSI team is nearly blown up in a barn. Horatio finds a woman, Susie Barnham, who calls Ray "Tin Man", a double entendre referring both to his methamphetamine addiction and to his status as a police officer .
Some time later, he also discovers that Susie and Ray had a daughter, Madison, together, and that Ray stood up to Susie's on-again, off-again, abusive husband Bob Keaton for his brutal behavior, giving Keaton a motive for murder. Keaton is eventually convicted of Ray's murder and sent to prison for life. Ray never knew he had a daughter. When Ray's supposed widow, Detective Yelina Salas, discovers the existence of Madison, she initially assumes that the girl is the offspring of Horatio, rather than Ray, as the girl shares her uncle's trademark red hair and fair skin . Horatio is forced to reveal the truth when Madison requires a life-saving bone marrow transplant from Ray Jr. .
Horatio spots Keaton near a crime scene and later confronts him. Keaton reveals that he is in fact DEA, and, more importantly, that Ray is still alive . Unfortunately, Ray's cover is blown and his son, Ray Jr., is kidnapped. He approaches his older brother for help, and together they rescue the boy. At the end of the episode, Ray, his wife Yelina, and Ray Jr are all packed off to Brazil for safety .
Unfortunately, Raymond cannot manage to keep himself clean even after his brother's desperate efforts to help him. He becomes involved with the Mala Noche gang in Rio de Janeiro, and he is eventually fatally beaten by their leader, Antonio Riaz, and dies in Horatio's arms. His body is taken back to Miami for burial .
Ray's lasting legacy is a trail of messes and problems for his older brother to clean up. Several characters remark on this, and Horatio is occasionally abused as the brother of a dirty cop . Detective Hagen, who feels responsible for Ray's first supposed death, begins a downward spiral into intense depression, which ultimately leads to his suicide in the same episode in which Ray reappears to Horatio .