Polish immigrant Robert Dziekanski is seen in the arrivals area of the Vancouver airport in this video grab on October 14, 2007. A video shot and released to media by Victoria resident Paul Pritchard shows that Dziekanski did not resist or confront police before officers tasered him. Poland criticized Canadian police on Thursday for using stun guns to shoot an unarmed Dziekanski who then collapsed and died. REUTERS/Paul Pritchard/Handout (CANADA) 

Polish immigrant Robert Dziekanski (R) is seen in the arrivals area of the Vancouver airport in this video grab on October 14, 2007. A video shot and released to media by Victoria resident Paul Pritchard shows that Dziekanski did not resist or confront police before officers tasered him. Poland criticized Canadian police on Thursday for using stun guns to shoot an unarmed Dziekanski who then collapsed and died. REUTERS/Paul Pritchard/Handout (CANADA) 

Polish immigrant Robert Dziekanski is seen in the arrivals area of the Vancouver airport in this video grab on October 14, 2007. A video shot and released to media by Victoria resident Paul Pritchard shows that Dziekanski did not resist or confront police before officers tasered him. Poland criticized Canadian police on Thursday for using stun guns to shoot an unarmed Dziekanski who then collapsed and died. REUTERS/Paul Pritchard/Handout (CANADA) 

Polish immigrant Robert Dziekanski is seen detained by police in the arrivals area of the Vancouver airport in this video grab on October 14, 2007. A video shot and released to media by Victoria resident Paul Pritchard shows that Dziekanski did not resist or confront police before officers tasered him. Poland criticized Canadian police on Thursday for using stun guns to shoot an unarmed Dziekanski who then collapsed and died. REUTERS/Paul Pritchard/Handout (CANADA) 

Polish immigrant Robert Dziekanski is seen on the floor as airport police secure him in the arrivals area of the Vancouver airport in this video footage October 14, 2007. A video recorded and released to media by Victoria resident Paul Pritchard shows that Dziekanski did not resist or confront police before officers tasered him. Poland criticized Canadian police on November 15, 2007 for using stun guns to shoot an unarmed Dziekanski who then collapsed and died. REUTERS/Paul Pritchard/Handout (CANADA) 

Polish immigrant Robert Dziekanski is seen in the arrivals area of the Vancouver airport in this video footage October 14, 2007. A video recorded and released to media by Victoria resident Paul Pritchard shows that Dziekanski did not resist or confront police before officers tasered him. Poland criticized Canadian police on November 15, 2007 for using stun guns to shoot an unarmed Dziekanski who then collapsed and died. REUTERS/Paul Pritchard/Handout (CANADA) 

Polish immigrant Robert Dziekanski is seen being approached by an unidentified woman (R) in the arrivals area of the Vancouver airport in this video footage taken October 14, 2007. A video recorded and released to media by Victoria resident Paul Pritchard shows that Dziekanski did not resist or confront police before officers tasered him. Poland criticized Canadian police on November 15, 2007 for using stun guns to shoot an unarmed Dziekanski who then collapsed and died. REUTERS/Paul Pritchard/Handout (CANADA)