Banksy: what happens when someone vandalises graffiti â and who owns it anyway? Robbie Hiller, 30, from Pangbourne, went down to the prison with washing up liquid and laundry detergent to try and scrub some of the red paint off. This morning, the mural painted by Banksy on the side of Reading Gaol, depicting a prisoner escaping from the gaol using a rope of bed sheets tied to a typewriter, appeared with red paint which reads 'Team Robbo'. Reading Borough Council leader Jason Brock said: “This is obviously hugely disappointing following the initial excitement in Reading recently when Banksy’s artwork appeared.