Jason Williams, a.k.a. Revok, one of the best known graffiti artists in Los Angeles, was taken into custody Thursday at LAX as he prepared to board a plane bound for Ireland. The arrest was for an outstanding warrant he had failed to pay restitution on.

WIlliams is a member of the Mad Society Kings, or MSK, graffiti crew. He is being held in the Los Angeles County Jail in lieu of $320,000 bail, according to the Los Angeles Times.