Was it morally wrong for the CIA to use a false immunization campaign in Pakistan in order to verify Bin Laden's exact whereabouts?

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I find this troubling because I remember hearing that countries were against vaccinating children because there were rumors that it was a plot. Now it seems there was a plot, and it’s come to light.

Was nailing down the exact position of a mass murderer worth the risk that millions of children my die because they weren’t immunized? Badly needed health care workers killed.

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