TORONTO — The six-part docuseries Enslaved, featuring actor and human rights activist Samuel L. Jackson (pictured with investigative journalist Afua Hirsch), will premiere on CBC TV, CBC Gem and the Documentary Channel in October, Canada’s public broadcaster announced Tuesday. The series about the transatlantic slave trade sheds new light on 400 years of human trafficking from Africa to the New World. Based on a DNA test identifying his ancestral tribe, the series traces Jackson’s personal journey from the United States to Gabon for his induction into the Benga tribe, providing rare and unprecedented access to secret ceremonies and local customs....