About: http://webisa.webdatacommons.org/142992335

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In a controlled environment, such as an airplane or a prison, weapons control policies do work and do prevent homicides, injuries, etc. but that is only because they are in fact controlled environments.
http://www.w3.org/ns/prov#wasQuotedFrom	salemnews.net