Why Navy SEAL Eddie Gallagher was acquitted of murder

After two weeks of testimony, Chief Edward Gallagher was found not guilty of murdering a suspected ISIS prisoner in Iraq. The decorated Navy SEAL had been accused of stabbing the wounded teenage captive, as well as attempted murder of Iraqi civilians and obstruction of justice. William Brangham reports and talks to Steve Walsh of San Diego’s KPBS public media about how the dramatic case evolved.