Assertion: joker | /r/CapableOf | know his identity
Facets:
Source sentences:
text: Discovering the latter to the Joe Chill, Batman learnt that Joker knew his identity and saved a family from being murdered in the same vein as his parents.
text: Batman is brought back to the Batcave by the Bat-Family, where he confesses that after an early battle with the Joker, he discovered a joker playing card in the Batcave but denies the fact that Joker knows their identities.