Brone was a Vori soldier who was involved in attempting to indoctrinate Commander Chakotay into the Vori Defense Contingent by instilling in him a fanatical hatred of the Kradin. To this end, the Vori used drugs and placed Chakotay in a controlled "simulation" to convince him that he had witnessed Kradin atrocities. In this photometric projection, Brone was a team leader in the fourth defense contingent trying to defend Vori civilians from the Kradin.
One indoctrination tactic that the Vori subjected Chakotay to was to make him believe that he had seen a Vori village, the Larhana settlement, attacked by the Kradin, who then committed atrocities against its inhabitants, moving some into the extermination facility. Afterwards, Brone pretended to rescue Chakotay, in the process completing Chakotay's indoctrination.