Ross was originally imprisoned at North Point , then marched to Habu Dockyard and finally shipped to Innoshima where he worked at Sham Shui Po Barracks for Osaka Ironworks .
Originally , Ross was imprisoned in North Point , then marched to Habu Dockyard , and finally shipped to Innoshima , where he worked for Osaka Ironworks in Sham Shui Po Barracks .