It made me wonder because i've read an article about Israel sending Mossad agents into Argentina to assassinate Nazi refugees and how tense the situation between Israel and Argentina must have been.
You may be interested in the following old threads:
http://www.reddit.com/r/AskHistorians/comments/v8nsf/why_did_argentina_allow_nazi_collaborators/
http://www.reddit.com/r/AskHistorians/comments/1rgdiu/why_did_many_nazi_war_criminals_travel_to/
http://www.reddit.com/r/AskHistorians/comments/1v3d0y/did_former_nazis_actually_flee_to_argentina/
It's not in the FAQ yet, but I'll add it in.