About: http://webisa.webdatacommons.org/451734005

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	Authorities have said they believe the brothers acted alone, but are investigating whether they could have learned from or been aided by terror groups, including groups overseas.
http://www.w3.org/ns/prov#wasQuotedFrom	5newsonline.com