Killing Yemeni humans for money.

“But what frustrated him most was the shrapnel the doctors couldn’t remove from his head. He told me it changes the way his mind works; he’s angry all the time, and he thinks there’s a chemical reason for that, something in the metal. Sometimes, he said, it hurts so badly that he has an urge to remove it and has to stop himself from grabbing a knife and cutting into his face.”