Headline: Vagueness challenge in Manhattan DA’s use of gravity knivesPublication Date: Wednesday, May 21, 2014Primary Source: Washington PostType: op-edFormat: Newspaper (Online)Nature of Mention: authoredScholar: Kopel, David B.Research Area: Government and PoliticsLaw and Civil LibertiesSubjects: the Manhattan DA’s use of gravity knivesAttached Files: David Kopel - Washington Post - Manhattan DA’s Use Of Gravity Knives_1.pdf