As President Donald Trump pressures Mexico to address the flow of migrants and drugs heading north into the United States, the Supreme Court is set to hear arguments Tuesday in a major appeal about one thing that’s crossing the border toward Mexico: guns.

The Supreme Court will hear arguments in a $10 billion lawsuit Mexico filed against top U.S. firearm manufacturers, alleging their business practices have fueled cartel gun violence there

The Supreme Court is considering Tuesday whether to block the Mexican government's effort to hold U.S. gun companies accountable for the havoc and violence the country has experienced at the hands of drug cartels armed with firearms trafficked across the southern border.