The Globe and Mail reports in its Tuesday edition that human traffickers are exploiting the country's highways and airports, establishing corridors to move victims between Canadian cities, shows new research on missing and murdered indigenous women and girls. The Globe's Temur Durrani writes that researchers mapped these routes by examining thousands of sex ads posted on-line over the past decade. The analysts identified ads specifically claiming to feature indigenous women or girls, then monitored changes to the posted locations of the ads in order to track the movement of victims. The data suggest traffickers often use Ontario as a starting point. The most commonly used corridor in Canada is between Toronto and Vancouver. It is followed by Edmonton to Fort McMurray, Alta.; Calgary to Edmonton; and Belleville, Ont., to Edmonton. These are among the key findings in a new report by Thomson Reuters -- titled "Unseen, Unknown, and Unsolved: Disappearances and Trafficking of Indigenous Individuals in Canada & the United States." The report, now in its second annual edition, highlighted how resource-extraction sites are playing a role in human-trafficking cases by spurring sex-buying demand in areas near major projects.