About: http://webisa.webdatacommons.org/394315495

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	Only after the assassination of President William McKinley did protecting presidents and other dignitaries become a major priority for them.
http://www.w3.org/ns/prov#wasQuotedFrom	krebsonsecurity.com