There Has Certainly Been Issues In The Past.

https://www.rt.com/news/528738-haiti-president-assassination-suspects-arrested/

https://theintercept.com/2019/03/20/haiti-president-mercenary-operation/

Although it's been rather Google-whacked by this.

I also seem to remember some serving US SOF's - attached to the Embassy. Getting nabbed doing something questionable in late 2020.

But then I can also think of someone who would want to exploit those issues.

https://en.wikipedia.org/wiki/Operation_Gideon_(2020)