Gallagher said he and other SEALs killed a prisoner by practicing medical procedures on him until he died. The Navy said it couldn't corroborate this.

Prosecutors are undermining their own witness, a move legal experts suggest is reckless and sends the wrong message in this unpredictable case.

Video interviews and documents leaked to The New York Times reveal how Navy SEALs turned against their own platoon leader, Eddie Gallagher, with allegations that he killed for the sake of killing.

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