Holocaust denier Ernst Zundel listens during his detention review with the Immigration and Refugee Board in Niagara Falls, Ont., Monday, March 31, 2003. A CSIS agent told the hearing that Zundel is a risk to Canadian security and if released would be a lightning rod to the white supremacist movement. Zundel's representative Paul Fromm, director of the Canadian Association for Free Expression, is seen at left. (CP PHOTO/ Aaron Harris)