Former Gen. Carlo Benito Perez is accused of torturing 56 people . More than 100 people have testified at his trial . Campo de Mayo was the main torture center during the 1976-83 right-wing dictatorship . It is expected to last until March .
Former Gen. Carlo Benito Perez is accused of torturing 56 people . More than 100 people have testified at his trial . It is expected to last until March .