About: http://webisa.webdatacommons.org/88807441

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	My guess is that it was just a kind of AI bug or glitch, the bystander wandering around where it wasn't supposed to, and that the game does not actually simulate striking them.
http://www.w3.org/ns/prov#wasQuotedFrom	boingboing.net