The Short Answer Gandía was killed by Denver (Daniel Ramos) and Helsinki (Mirko Dragic). However, the execution was a coordinated team effort, and the person who landed the decisive, fatal blow was Denver , who shot Gandía in the head. The Long Answer: A Detailed Breakdown 1. Context: Why Gandía Had to Die Gandía was the head of security for the Bank of Spain. Unlike the show’s other antagonists, he was a brutal, psychopathic ex-soldier with no interest in negotiation. After the Professor’s team took over the bank, Gandía broke free from his restraints, murdered Nairobi (one of the most beloved characters), and went on a rampage, nearly killing several others.