Filmmaker Joshua Oppenheimer on the making of his film The Act of Killing.
Anwar Congo demonstrates his system for killing while avoiding blood.
Anwar watches the clip "How to Kill with Less Blood" and reflects.
The text in this clip provides the historical background for The Act of Killing.
Mayor Ed Koch goes to Washington in 1978.
"You gotta get them to follow you, and you can only do that by being bigger than life."
Community members and politicians vote on whether to honor Ed Koch.
Filmmaker Neil Barsky discusses the making of his film Koch.
After promising to keep it open, Koch closes Sydenham Hospital in Harlem.
Get to know Ed Koch's political personality.
Ed Koch brought to the office his bravado, combativeness and egocentricity.
Ed Koch on keeping an important hospital in Harlem open.
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