I think the culprit has been removed from the organization. From there it is vandalism or desecration of a national symbol. Criminal charges?
Vandalism of a computer image? Desecration? Criminal chantry’s for a harmless prank? For real? You need to lighten up a bit. No one got hurt.
It’s neither. Desecration of a national symbol isn’t a crime, and it’s not vandalism either because it’s just a projected computer graphic.