The man tapped as Afghanistan's next intelligence chief faces allegations of drug trafficking and torture that stem from his work as a powerful official in the rough-and-tumble Taliban-birthplace of Kandahar, according to testimony from a top Canadian diplomat and other sources familiar with the new appointee.

A staunch Karzai loyalist and anti-Taliban fighter known for his experience and heavy-handed tactics, Asadullah Khalid is the country's minister of tribal and border affairs who oversees its southern security forces.