Drone strikes shield U.S. military members from harm in order to minimize Americans’ opposition to war. But drone operators who make or carry out remote targeting decisions nevertheless suffer from post-traumatic stress disorder (PTSD).

At his sentencing hearing, Hale told U.S. District Judge Liam O’Grady, “I believe that it is wrong to kill, but it is especially wrong to kill the defenseless.” Hale said he revealed what “was necessary to dispel the lie that drone warfare keeps us safe, that our lives are worth more than theirs.”