It's estimated over half a million weapons are in Haiti, many trafficked illegally from the U.S. Officials are working to disrupt these networks, but the flow of guns continues to ravage the nation.

The U.N. migration agency says internal displacement within Haiti has tripled over the last year and now surpasses 1 million people.

Gangs in Haiti killed at least 5,600 people last year, according to a new United Nations report. The report from the Office of the United Nations Commissioner for Human Rights said an additional 3,700 were injured or abducted,