The edits on that wiki page today and yesterday make good reading.
I was told, by the FBO staff, that the NTSB & the FAA found no evidence of fuel contamination. Also of note, is that her chase plane was also refuelled, and it didn't crash.
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(cur | prev) 17:12, 2 October 2017 94.225.75.202 (talk) . . (17,497 bytes) (+9) . . (Undid revision 803299420 by 31.46.29.129 (talk)) (undo)
(cur | prev) 17:12, 2 October 2017 94.225.75.202 (talk) . . (17,488 bytes) (+2) . . (Undid revision 803455934 by 94.225.75.202 (talk)) (undo)
(cur | prev) 17:11, 2 October 2017 94.225.75.202 (talk) . . (17,486 bytes) (-2) . . (undo)
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(cur | prev) 17:43, 1 October 2017 31.46.29.129 (talk) . . (17,486 bytes) (-9) . . (Undid revision 798601684 by 94.225.75.202