From a casual promise made to a reluctant building inspector, Ravi Sanyal built something that now stands at the frontier of how democratic societies protect their borders and their people. Techmatics Robotics, operating quietly from Christchurch's Middleton district, designs and manufactures inspection robots deployed by customs, biosecurity, corrections, and policing agencies across New Zealand and Australia. The underlying philosophy is ancient in its simplicity: before placing a human being in harm's way, ask whether a machine might go first. That question, asked with growing urgency in an