Doc director Matthew Heineman on his first narrative film, 'A Private War'

In his career as a documentary filmmaker, Matthew Heineman has criss-crossed the country, followed Syrian activists in exile and embedded with vigilantes fighting Mexican drug cartels. His newest film, ‘A Private War’ is an adventure of a different kind--a narrative feature about war correspondent Marie Colvin. He tells us about using techniques he learned doing documentaries to make his first narrative film.