(source)
Here's the video. Burmese authorities claimed a stray bullet, which this shows to be bullshit.
Here's the man.
From the story linked above:
"I realized that Mr. Nagai was dead when I saw his body," Yamaji [president of the APF news agency] said in a statement issued through APF. "I was relieved a little because his facial expression was unexpectedly peaceful.
"I told him, 'You must be tired. Let's go home together,' " the statement said.