PORT-AU-PRINCE, Haiti—Haiti’s police chief on Wednesday accused a Venezuelan businessman who owns a security company in Florida of traveling to Haiti numerous times as part of a plot to assassinate President Jovenel Moïse, who was killed last week. Léon Charles, head of the Haiti’s National Police, said Antonio Intriago of CTU Security signed a contract while in Haiti but provided no other details and offered no evidence. “The investigation is very advanced,” Charles said. Intriago could not be immediately reached for comment. Colombia’s national police chief Jorge Vargas has said that CTU Security used its company credit card to buy 19 plane tickets from Bogota to Santo Domingo for the Colombian suspects allegedly involved in the killing. Vargas said Thursday that two former members of the Colombian military, Germán Alejandro García and Duberney Capador, appear to have been responsible for planning and organizing the “alleged arrest operation.” “It was managed by …