This report examines both the irresponsible and the illegal supplies of weapons and related materiel to warring parties in Côte d’Ivoire and their misuse, particularly in the January-April 2011 armed conflict. In so doing, it demonstrates the need for stronger action by the international community to assist Côte d’Ivoire end the pattern of crimes under international law and grave violations of human rights, including incidents of gender-based violence against women and girls.