Dasso played a key role in enforcing state terrorism in the Argentinian city of Concordia during the period when the country was ruled by a military junta from 1974 to 1983, according to euroeseuro.

During this time military and security forces formed death squads, hunting down political dissidents or those believed to be associated with socialism, left-wing Peronism or the Montoneros movement.

It is estimated that between 9,000 and 30,000 people were killed or "disappeared" under the regime although most cases are without documentation.

Dasso was sentenced to life imprisonment in 2012 after being found guilty of two disappearances - those of the militants Julio Solaga and Sixto Francisco Zalasar, both kidnapped in Concordia.

In addition, his responsibility for other crimes that he committed while he was head of the 6 Blandengues Regiment of that city of the Entre Ríos region was proven.

In 2020 he received another life sentence, in this case for Jorge Emilio Papetti, a Peronist militant who was kidnapped when he was doing Compulsory Military Service in the Regiment he commanded - he was later transferred to Paraná and murdered during a torture session in the prison of the capital of Entre Ríos.

Papetti also remains missing.

Margarita Alegre, Papetti’s mother, went every day before she died in 2016 to demand answers from Dasso after her son was arrested on March 16 1977.

She received no satisfactory answers.

Dasso died without receiving a sentence for many other crimes for which he was denounced.

At his 2012 trial he claimed: "I plead not guilty to the crimes charged against me.

"I have not been and am not repressive, I have not been and am not genocidal, delinquent or corrupt.

"I have been a soldier who followed the orders of his superiors."

The judges described him as "not a soldier, but a cowardly repressor."

Dasso was in the Argentina team that finished fourth at the 1956 Olympics, and finished seventh in the individual competition in Rome four years later.