Argentina marks 10 years since disappearance of Dirty War trial star witness Jorge Julio López.

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2. I hear you, Judi.

Personally, I'd like to think that someone like Etchecolatz should be reborn as a poor black youth in Baltimore or Louisiana (perhaps Colombia). Perhaps then that lost soul of his would learn first hand how wrong it is for those we entrust with our security to abuse their power, and to feel a little more empathy.

As for Julio López, we'll probably never know who exactly murdered him or where his remains were disposed (they were probably incinerated). A sinister code of silence shrouds living Dirty War perpetrators, and despite a decade-long investigation and an outstanding reward offer of 2 million pesos ($130,000), no leads have developed at all and no one has come forward.

The same can be said about Myrtha Raia, the pianist from San Miguel de Tucumán who, in 2013, was bludgeoned to death in her home just days before she was to testify in the principal case dealing with Isabel Perón's Operation Independence (the 2nd Arsenal/2nd Precinct case).

You might recall that the chief plaintiffs' attorney in the case - Laura Figueroa - recently had her home ransacked; as in Raia's case, nothing was stolen.

All 41 defendants were sentenced in 2014, you'll be happy to know; but Raia's murder has yet to be solved because no one will talk - least of all now that Macri is in office.

Thank you, Judi, as always for your thoughtful - and dare I say, passionate! - replies and insights.