CBC News has obtained top-level government documents that reveal Canadian authorities were aware as early as spring 2007 that a governor of Kandahar praised by senior Canadian officials was also notorious for human rights abuses.
The documents also reveal that Chris Alexander, a top Canadian official working with the United Nations, alleged that Asadullah Khalid had ordered the deaths of five UN workers in a bombing.
Khalid served as governor of Kandahar province, where Canada's troops are stationed, from 2005 until he was replaced in mid-2008. It was widely suspected that the feared governor kept a private dungeon for prisoners under his palace.
One internal Canadian document from the spring of 2007 states that "allegations of human rights abuses by the Governor are numerous and consistent.
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http://www.cbc.ca/politics/story/2010/04/12/afghan-governor-human-rights-abuses.html