Key Financier of Venezuela’s Maduro Regime Arrested

BOGOTÁ, Colombia—Authorities in the African nation of Cape Verde detained a Colombian businessman needed in the U.S. on dollars-laundering costs, in a blow for Venezuela’s authoritarian authorities, for whom he has come to be an critical offer maker.

Alex Saab Morán, touring in a private jet, was arrested through a refueling halt on the West African island nation en route to Iran, where U.S. officials believe that the 48-yr-old is aiding slice deals to trade Venezuelan gold for Iranian gasoline and other oil items, according…