There's a bit of a spat going on between Israel and Argentina. See this from +972:
This reminds of another Jewish Argentinian Timmerman (ok, the spelling is different). See this from the Jerusalem Center for Public Affairs:
Jacobo Timmerman was a journalist and publisher of the newspaper La Opinion, which was published since 1971. In April 1977, he was arrested by the military authorities, imprisoned, and badly tortured. He was released in September 1979 after being acquitted of the security offence charges, which was followed by an ultimatum of collective resignation from the judges of the Supreme Court if he would not be released.61 He was deported to Israel after his release.
But other Argentinian Jews didn't fare so well:
It's a lengthy article which comes down mostly in favour of Israel but it does demonstrate how Israel got on a lot better with an antisemitic military junta than with an elected government with at least one Jewish minister.As Yossi Sarid put it: "In Argentina, Israel sold even the Jews for the price of its immediate interests."73According to Sarid, this was done through cooperation with the military junta in the economic area, and by not arousing international and Jewish public opinion about the fact of the disappearance and arrest of young Jews in that country.
UPDATE: This is a bigger loss for zionism than I realised. Stephen Marks in the comments has just pointed out that Héctor Timerman is the son of Jacobo Timmerman. I wonder where that M came from or where it went.