Canadians have been wondering since a Polish immigrant died last October at Vancouver airport after police subdued him with a Taser, the most popular brand of the electronic weapon.

• 自一名波兰移民于去年10月在温哥华机场被警察以泰瑟枪制服（一款最受欢迎的电子武器品牌）并死亡后，加拿大人就在一直怀疑。