On the campaign trail, he sports a black bulletproof vest and addresses vast crowds from behind armored glass panels. He greets his followers, whom he calls “defenders of the homeland,” with a military salute. He promises to restore Colombia’s security with an “ iron fist .” Meet Abelardo de la Espriella, the front-runner of Colombia’s presidential race. Ahead of a contentious runoff on Sunday, security is top of mind for many voters, as violent crime has soared in the country in recent years.