NYT:
Once the helicopter lifted away, he ran back to his vehicle, ready to treat anyone else. He was thinking about the marine he had already treated.
“If I had gone with him,” he said, and glanced to where the helicopter had flown away, over the line of date palms at the end of a field. His voice softened. “But I’m not with him,” he said.
He turned, faced a reporter and spoke loudly again. “In situations and times like this, I am bound to start yelling and shouting furiously,” he said. “Don’t think I am losing my mind.”
He held his bloody hands before his face, to examine them. They were shaking. He made fists so tight his veins bulged. His forearms started to bounce.
“His name was Lance Cpl. Colin Smith,” he said. “He said a prayer today right before we came out, too.”
Here.