Voodoo Vengeance by Don Potter

Mac McFarland, investigative reporter turned mystery novelist, learns of the ritualistic murders of four boys in New Orleans. He follows clues that lead him to Haiti to track down the killers. There he uncovers a Devil worshiping cult planning to topple the Haitian government and rule under a dictatorship. Only Mac and a handful of companions stand in the way of their victory.    Voodoo Vengeance is the seventh book in a series of stand-alone but connected stories. Each story is a murder or adventure mystery. You may enjoy reading them all to better relate with the recurring key characters and the people they have become.