Abelardo de la Espriella is an ultra-conservative lawyer who has won Colombia’s election by a narrow margin. A controversial figure, he has gained popularity for his promise to lead a government focused on security and business-friendly economic policies.

De La Espriella, 47, has proposed a tough crackdown on crime, as well as the end to peace talks with armed groups and a boost to Colombia's oil and gas sector.

Colombian right-wing candidate Abelardo de la Espriella is leading the country's Sunday presidential race, narrowly scraping by ahead of his leftist rival with nearly all ballots…