CIA organised fake vaccination drive to get Osama bin Laden's family DNA

As part of extensive preparations for the raid that killed Bin Laden in May, CIA agents recruited a senior Pakistani doctor to organise the vaccine drive in Abbottabad, even starting the "project" in a poorer part of town to make it look more authentic, according to Pakistani and US officials and local residents.

The doctor, Shakil Afridi, has since been arrested by the Inter-Services Intelligence agency (ISI) for co-operating with American intelligence agents.

Relations between Washington and Islamabad, already severely strained by the Bin Laden operation, have deteriorated considerably since then. The doctor's arrest has exacerbated these tensions. The US is understood to be concerned for the doctor's safety, and is thought to have intervened on his behalf.

The vaccination plan was conceived after American intelligence officers tracked an al-Qaida courier, known as Abu Ahmad al-Kuwaiti, to what turned out to be Bin Laden's Abbottabad compound last summer. The agency monitored the compound by satellite and surveillance from a local CIA safe house in Abbottabad, but wanted confirmation that Bin Laden was there before mounting a risky operation inside another country.

DNA from any of the Bin Laden children in the compound could be compared with a sample from his sister, who died in Boston in 2010, to provide evidence that the family was present.

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