Denal-zon was a Zabrak male police officer with the Coruscant Security Force who attained the rank of captain by the time of the Cold War between the Galactic Republic and the resurgent Sith Empire. Around 3643 BBY, he was the investigating officer of a theft of computer chips belonging to Senator Doli-bur Barc. Denal-zon discovered that the chips were to be used for Rylothian slave collars and that they had been stolen by the Migrant Merchants' Guild crime gang.