Even 40 years later, not all the mysteries surrounding the Olympic bombing and its background have been solved: was there really no alternative to the fatal operation at Fürstenfeldbruck Airport?
For 40 years, the official line was that the Federal Republic of Germany was not prepared for such an attack.
In the light of new findings, this seems to be only half the truth.
Uli Weidenbach has found contemporary witnesses who claim that better trained forces would have been prepared to intervene.
But whether they could have saved the lives of the hostages will remain a mystery forever. First broadcast: Monday, March 19, 2012, 9:45 p.m., ZDF.