[Hillarys Gate Cult]

Another possibility is that she had cronies who didn't want their part in this discovered.

[sweetliberty]

It's puzzling though. How did they get her doused in gasoline and make her catch fire inside her car. Thatr just seems very odd.

[Timesink]

Also possible that some nobody decided she was personally responsible for 9/11 and went vigilante on her.