In Germany, as graduate student Katie Armstrong researches cannibal killer Oliver Hagen for her thesis, she becomes obsessed with her subject and ultimately plunges into a lifestyle similar ... Read allIn Germany, as graduate student Katie Armstrong researches cannibal killer Oliver Hagen for her thesis, she becomes obsessed with her subject and ultimately plunges into a lifestyle similar to Hagen's and the thousands of people like him.In Germany, as graduate student Katie Armstrong researches cannibal killer Oliver Hagen for her thesis, she becomes obsessed with her subject and ultimately plunges into a lifestyle similar to Hagen's and the thousands of people like him.