And on its surface, the Chappaquiddick Incident (as it has infamously become known) was a simple but tragic traffic accident. However, its political fallout caused it to become the most speculated-upon car accident until Princess Diana's fatal ride, some 28 years later: Was Kennedy drunk? Was he trying to conceal an affair by deliberately killing Kopechne? Why did he wait for so long before reporting the accident? And who else was involved?
 
6.22