Agustín Montero is a robber who pretended to be a hostage during the Bank of Spain heist.
Agustín was among the hostages during the heist at the Bank of Spain. When Nairobi and Bogotá were "selecting volunteers", Alfonso claimed that he was at the bank to exchange currency. He was "selected", along with Matías Caño and Alfonso, to help melt down the 14-ton steel door of the vault with gold.
Agustín is a middle-aged man who has dark hair and a grey beard.