Mann has been quietly been following Le Roux and the manhunt while Shannon researched and wrote the book — he attended the recent court hearings in New York — and this is a story he is passionate about telling on screen.

“Elaine Shannon’s book,” Mann said, “took me into the actual people and places, the language and attitudes as powerfully as great fiction. Deeply and vividly, it illuminates the mind of LeRoux and the dark frontier of transnational crime.”