 Based on the evidence of numerous HVO attacks at that time, the ICTY Trial Chamber concluded in the "Kordić and Čerkez case" that by April 1993 Croat leadership had a common design or plan conceived and executed to ethnically cleanse Bosniaks from the Lašva Valley.Dario Kordić, as the local political leader, was found to be the planner and instigator of this plan.Further concluding that the Croatian Army was involved in the campaign, the ICTY defined the events as an international conflict between Bosnia and Herzegovina and Croatia.