Bunker started XenuTV in 1999 and began to make videos that he provided for the Lisa McPherson Trust. Bunker has been a critic of the Church of Scientology since 1997. In 2006, he won a Regional Emmy Award after he and KUSI-TV news reporter Lena Lewis produced a documentary news video on the issues with the United States - Mexico border with San Diego, California.
Church of Scientology includes Lena Lewis among its members.