The men were taken into custody as part of a sprawling investigation into corruption in the state-run oil company PDVSA focused on the payment of massive bribes in exchange for lucrative contracts to move tankers of Venezuelan crude sanctioned by the U.S.Pulido stands out among the more than 50 alleged schemers already arrested because of his relationship to Alex Saab.The two Colombians were long-time business partners who made a fortune selling food and other items to Venezuelas socialist government over the past decade.