叶群
However, according to the historian J. D. Spence, "this story is essentially beyond verification, since the photographs later released by the Chinese authorities are of dubious authenticity and details on Lin Biao’s exact plans and on the other plotters are blurred" The government narrative also does not sufficiently explain how and why Lin Biao's plane crashed. It is also still unclear whether Lin Biao himself planned a coup, or whether his Ye Qun and Lin Liguo had such plans and did not inform Lin Biao about it. Skeptics have claimed that Lin's decision to flee to the Soviet Union was illogical, on the grounds that the United States or Taiwan would have been safer destinations.