0:01:08.470,0:01:15.470
The operation that led to the killing of Al[br]Qaeda leader Osama bin

0:04:06.879,0:04:13.879
Laden took

0:04:25.870,0:04:32.870
shape [br]after [br]detainees [br]identified a trusted

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bin Laden

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courier [br]as someone who may have

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been living with

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and protecting the

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militant leader, senior administration officials[br]said.

0:08:00.250,0:08:07.250
That courier became

0:08:40.068,0:08:47.069
a [br]key lead in locating bin Laden