Millions of people do graffiti -- and very few of them have anything to do with "gang activity". I imagine that depends on where the crime takes place. If you

Millions of people do graffiti -- and very few of them have anything to do with "gang activity". I imagine that depends on where the crime takes place. If you're in the ghetto tagging a wall it's far more likely to be gang related than it would be if it were some kid in the suburbs.