Tuhia he tohutoro mō tēnei wāhanga - I te tīmatanga o te Pakanga ā-Iwi o Amerika, i uru a Bunn ki te 72nd Pennsylvania Infantry. I te 29 o Pipiri, 1862, i te Pakanga o Savage's Station
Ka mate ia, ka hopukina e ngā ope Confederate. I puritia a Bunn hei herehere o te pakanga i Richmond, Virginia tae noa ki tana tukunga i roto i te whakawhiti herehere i muri mai i taua tau. I tana hokinga mai ki Philadelphia, ka raru ano a Bunn i tana whara ka tukuna ia ki te rongoa.