The idea backfired tragically as members of Black September , a Palestinian terrorist group , invaded the athletes ' village , killed two Israeli athletes almost immediately .
The idea killed nine more at an airport near Munich when the plane they had demanded was attacked by police snipers .
The idea backfired tragically as members of Black September , a Palestinian terrorist group , invaded the athletes ' village , killed two Israeli athletes almost immediately , and killed nine more at an airport near Munich when the plane they had demanded was attacked by police snipers .