The two Haitian Americans, who are now among 21 suspects in police custody, told Haitian officials during questioning that their mission was not to kill the president but to serve a 2019 arrest warrant that had been issued by a judge and to take Moïse to the presidential palace. There, they would install [the doctor], 63, as president, a source who spoke with the two men told the Herald.
...
Among the unanswered questions: How [the doctor], who once filed for bankruptcy, could be behind a costly conspiracy. Some of the people arrested said that they were paid $3,000 a month and had been living in Haiti since January.
Meanwhile:
[the head of the General Security Unit of the National Palace] is currently the subject of a US law enforcement investigation into arms trafficking in Haiti, the Washington-based Center for Economic Policy and Research reported this week.