According to an internal U.S. Border Patrol report obtained by CBS News, the fiscal year 2022 was the deadliest for migrants who attempted to cross the U.S.-Mexico border illegally.

Today, CGTN examines the problem of human trafficking.

Legal experts say it’s a complex problem that is difficult to define and even more difficult to prosecute.

As CGTN’s Franc Contreras reports from Tucson, Arizona, efforts are underway to expand the definition of human trafficking.