Before that Gallagher stabbed the POW child in the chest and because of a friend who after receiving immunity said that he in fact killed him instead of Gallagher by stopping his air tube.
"The witness, Special Operator First Class Corey Scott, a SEAL medic who was given immunity from prosecution by the Navy, stunned prosecutors by testifying that he, and not Chief Gallagher, had killed the captive, by covering a breathing tube inserted in the captive’s neck."
