Supreme Court Will Hear From Us Gun Makers Sued By Mexico For 10 Billion

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

The gun makers reject those claims. They appealed to the Supreme Court to overturn a ruling that let the lawsuit move forward even though U.S. law largely shields gun makers from lawsuits.

Depending on how the court rules, it could also affect a narrow legal path that helped families of the mass shooting at Sandy Hook Elementary School secure a 73 million settlement from the gun maker Remington.

Here's what to know about the case:

Why did Mexico sue U.S. gun companies?