 They became two of the 30,000 "desaparecidos", the people who were forcibly "vanished" without a trace during the reign of the military junta.In 1990 Gelman was led to identify his son's remains (he had been executed and buried in a barrel filled with sand and cement), and years later, in 2000, he was able to trace his granddaughter, born in a backdoor hospital before Maria Claudia's murder and given to a pro-government family in Uruguay.The remains of Maria Claudia have not yet been recovered.