About: http://webisa.webdatacommons.org/309024107

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	Whether the killer was a member of the royal family, as one popular theory has it, or a surgeon with a grudge, at least two things are certain: Jack was skilled with a knife and certainly a sexual psychopath.
http://www.w3.org/ns/prov#wasQuotedFrom	wired.com