The lack of a solid border and border security apparatus allows for cross-border illicit actions, such as the drug and arms trade, and human trafficking. According to Polaris, there are approximately 40.3 million victims of human trafficking, and in some parts of West Africa, almost 100% of the victims are children. Human trafficking is a major source of revenue for Boko Haram. Moreover, the absence of a secure border allows terrorist organizations to cross legal and geographical boundaries with impunity, hindering any one nation from capturing or defeating Boko Haram fighters and perpetuating the suffering of the local populations. Therefore, for these nations to successfully defeat Boko Haram, they must mount a closely coordinated effort.