WAZ (aka WΔZ, aka w Delta z, aka The Killing Gene) first published by Film4 Summary: Tom Shankland’s feature debut is a bleak and bloody noir where New York’s darkest streets are trodden by a haunted detective and a tormented killer. Review: “There are shades of fuckin’ grey.” So declares grizzled detective Eddie Argo (Stellan Skarsgård) in…