They killed him. Period.

Right after the calendar turned to 2018, he was going to talk. He had to talk. He didn't want to go to jail for lying. He was going to have to talk to investigators in his own country. When they asked where the money was going and who he was paying and that secret installation out in the middle of his country, that is where things were going to get more interesting. Investigators from the US would then be called in and that would set off alarm bells all over the place. Who is the he mentioned in the first paragraph?