Assertion: gamble's profit | /r/HasSubevent | considerable infiltration
Facets:
value: by yakuza
type: OTHER
value: historically
type: TEMPORAL
Source sentences:
text: The grey market nature and tremendous profit involved in pachinko gambling historically resulted in considerable infiltration by Yakuza, who used it as a vehicle for money laundering and racketeering, but since the 1990s this has been less of an issue due to police crackdowns.