Closet racists when blacks vandalize: "Look at those black people destroying the city. Those blacks are vandalizing public property!.... How can I be racist? I'm just taking note of what's happening"
Closet racists when whites vandalize: "Those people are destroying the city and vandalizing public property."
When it's the minority group committing a negative act, some people will make sure to address the fact that it is indeed that minority group causing the destruction, and make race a factor by associating it negatively. When it's a majority group committing a negative act, they don't focus on race at all.