Detained by the ISI and handed over to the Americans, recently leaked documents prepared for guantanamo Bay tribunals show that Libbi gave his interrogators the names of a series of couriers.

他被三军情报局扣押并在随后移交给美国，最近泄露的关塔那摩美军监狱审讯文件显示利比向审讯人员透露了多名送信人的姓名。

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Another key figure identified on the video is Abu-Yahya al-Libbi, who escaped from US custody at the Bagram airbase in Afghanistan two years ago.

BBC: NEWS | Middle East | Bin Laden message in website film

Also interesting is the scene of Mr Libbi's capture, in Mardan (see map in article), in North West Frontier Province, close by Pakistan's border with Afghanistan.

ECONOMIST: Pakistan nabs a key al-Qaeda fugitive

On May 4th, Pakistan said it had captured one of the organisation's most senior operatives, a Libyan called Abu Faraj Farj al-Libbi, often described as the group's third-in-command.

ECONOMIST: Pakistan nabs a key al-Qaeda fugitive