On 20 April 2010 , Bignone was sentenced to 25 years in prison for his involvement in the kidnapping , torture and murder of 56 people , including guerrilla fighters , at the extermination center that worked in the Campo de Mayo military complex .
On April 20 , 2010 , Bignone was sentenced to 25 years in prison for his involvement in the kidnapping , torture and murder of 56 people , including guerrilla fighters , at the extermination center in the Campo de Mayo military complex .