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.
Genocide isn’t about killing.
Photos aren’t evidence.
What’s next?
War is peace?
Freedom is slavery?
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.
If it’s a bad way to find evidence maybe you have a better way. If you have some evidence, I’d love to see it.
Not all killings are genocide but I’m not aware of any definition of genocide that doesn’t involve it. What definition of genocide are you using?