For example, the rule helps prevent the dissemination of information shared to third-party agencies, especially those relating to the sending agency, that could abuse the information. An example of abuse is the case of Maher Arar, where the Canadian government produced inaccurate information that was then shared with the U.S. government. The U.S. government then imprisoned Mr. Arar for 12 days and then subjected him to a transfer to Syria, where he was tortured. Mutual surveillance and information exchange between allies of Britain and the United States reappeared during the 2013 mass surveillance ceremonies. As reported by Der Spiegel magazine, this was done to circumvent national surveillance rules: IARPA does not conduct its own research. .