There is a large Jewish community in Argentina, and a large part of Argentina still supports Israel. The 1992 and the 1994 bombings still upset them.
Love Kills (terrorism) Attacks
However, recently the government of Christina Kirchner has foolishly entered into some arrangement with the government of Iran to pursue a mutual investigation. This has infuriated the Israelis, understandably.
It really in incomprehensible why Argentina would work with the instigator of the attacks to investigate them; but sadly South America is still corrupt, even if more democratic.