Complementarity is an essential tool in the fight against impunity - by working together, national courts and the ICC can seek justice for the worst crimes. But how is the fight against impunity playing out in Côte d’Ivoire? And how exactly can the Ivorian judiciary and the ICC ensure justice in CDI? A new review of our Handbook on Complementarity examines those questions and assesses how the Handbook can be used in his country.