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It's still not clear if there is any connection. and in canada, a day in court for the man accused of killing a chinese exchange student as her helpless boyfriend witnessed part of the attack on web cam thousands of miles away. and the victim's distraught parents arrived in toronto to identify their daughter's body. more now from aaron katersky. >> reporter: brian dickson's facebook profile shows a clean-cut looking young man with interests in politics and acting. but in court he showed no emotion. speaking only his name before the judge during a two-minute appearance. dickson has been charg...

Hold lu qian. she was resisting and saying, no, no, please don't. at that time, my mind went blank. >> reporter: lu's boyfriend who did not want to show his face, frantically tried to get help but there was little he could do. lu's body was found in her apartment the next morning. she was naked from the waist down. but the autopsy found no obvious signs of sexual assault. they also couldn't determine how she died. police arrested dickson on wednesday as the victim's grieving parents were arriving in canada from china. >> translator: at the beginning i did not believe it was true. she was a ver...