Is graffiti illegal?
This LA Graffiti Artist Incorporates Homeless People into His Pieces
Does Skid Robot's work exploit homeless people, draw attention to their plight, or some combination of the two?
Why Is Banksy the Only Person Allowed to Vandalize Britain's Walls?
"When street artists do it, it’s vandalism," said one graffiti writer. "When Banksy does it, it’s an art piece. There’s a disconnect there.”