NYT:
Three other men had already been charged in the United States in connection with the assassination plot
...
The announcement of the charges [against the four additional men] — more than 18 months after the murder of Mr. Moïse — outlined a sprawling conspiracy to murder the Haitian leader and seize power, supported by an unnamed former Haitian Supreme Court judge, Colombian mercenaries and an illegal arms shipment from the United States.
*Previously: The Daily explored why Haiti's president was assassinated