Antonio Riaz was a murderer, drug dealer and powerful Mala Noche crime boss. He was most infamous for his numerous attempts to evade law enforcement and as well as for ordering the hit on Marisol Delko after he found out about Marisol's family connections through his relationship as her marijuana dealer and for personally killing Raymond Caine Sr., Horatio Caine's brother. He appeared in seasons four and five of CSI: Miami and acted as a personal enemy of Horatio and Eric Delko.