** FILE ** Mubin Shaikh, left, and his wife Joanne Siska defend sharia law during a protest against Ontario allowing the religious law in Toronto, in this Sept. 8, 2005 file photo. Shaikh, who worked with police to infiltrate an alleged terrorism cell says he was concerned about the impact of their plot on all Canadians and on the country's Muslim community, Canadian media reported Friday, July 14, 2006. Shaikh said in media interviews that he worked undercover for the Canadian Security and Intelligence Service and the Royal Canadian Mounted Police for more than two years. (AP Photo/CP, Adrian Wyld, File)