Quote:Canada is one of the biggest drug exporters of methamphetamine to New Zealand and Australia in the world. From cartels in Canada to biker gangs in the South Pacific, W5’s Avery Haines investigates the methamphetamine pipeline and the devastation left in its wake. WARNING: The following program contains mature subject matter and imagery and discussions of drug use, which may be disturbing to some viewers. Viewer discretion is advised.