You didn’t use photos as evidence. You used the lack of results in a Google image search as evidence. Absence of evidence isn’t evidence of absence and a single Google image search isn’t a very thorough search for evidence to begin with.
Also Genocide doesn’t imply killing. There are forms of genocide that doesn’t involve mass murder.
Just say you recently came into some inheritance and that you are looking into investment opportunities. Then they will expect you to be out of your element, so you won’t need to try to pretend you’re someone you’re not. If they ask about the inheritance, say your grandfather made a fortune selling lumber or something boring like that.