What place did the Israeli Olympic Team visit in the days prior to the hostage taking?
I'm thinking it was a memorial of a concentration camp. I'm not too sure.
http://www.google.com/search?q=munich+olympics+israeli+team&ie=utf-8&oe=utf-8&aq=t&client=firefox-a&rlz=1R1GGGL_en___US357
Read widely and carefully. If you don't find what you need, change the search terms.