Ricado Albeto Frank "RRiki" (1957-1978) and friend Sergio Antonio Martínez (Yoyi) were detained-disappeared November 10, 1978. They were taken from their Palermo apartment during Agentina's dirty war. It is estimated that between 9,000 and 30,000 people were killed or disappeared, many of whom were impossible to formally document due to the nature of state terrorism.