These days, with the rise in digital filmmaking, the growth of alternative distribution and the existence of countless film festicals, a lot of movies are being made – so it's more vital than ever for fledgling titles to have something special to vouch for their audience-worthiness. Horror films have a particularly good track record in this respect, even launching the careers of several cinematic greats. But, Glenn Dunks asks, is Killing Ground one such success story?