It's all over the internet, the U.S. government has admitted the request was made and they are not commenting on the reason these troops have arrived.
I'm just the messenger. I couldn't make this stuff up.
Twenty years ago, this was what the entire generation of early 80's survivalists were warning everybody about. The John Birch society was the first to suggest this was going to happen someday and that was in the early 60's, not long after they shot John Kennedy.
Tyrants of all flavors have used this strategy to suppress dissidents for thousands of years. The fact is, foreign troops won't have any compromising sympathies with the locals. They won't hesitate on the trigger. This is why many cities in the ancient world hired mercenaries to quell internal civil disruptions.
If they are from the 'hood, they can't be deployed reliably because there is the danger they are not going to fire on their own mother and father, friends or fellow citizens. So you bring in another army from the outside that will feel no pity and not identify with the citizens of that nation. They can be relied upon to obey orders and commit atrocities without pity. It has been a winning strategy for autarchs going back into the mists of antiquity.