Freedom of Expression is not a crime, and da-eYe knows very well about it. Since he first appeared on the walls in La Défense / Paris in the mid-80s (if you need an introduction, here it is), the one-eyed little guy with his witty humor and waggish manners is observing everything and calls out on everyone with no respect for freedom of expression.
This time he decided to support freedom of expression in Tunisia where a young rapper called Alaa Yaacoubi a.k.a Weld el 15 was sentenced to two years in prison for insulting the police. More info on this page on Facebook.