"Michael Jordan is, without a doubt, the father of the sneakerhead culture, and still even today, " Luber said.

鲁伯说：“迈克尔-乔丹无疑是运动鞋迷文化之父，直到今天也是。”

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"We're not aware this has happened previously, so obviously it's something we are investigating aggressively, " said a TSA spokeswoman, Suzanne Luber.

BBC: NEWS | Americas | Man mails himself to Texas