Welcome to the news hour. Another big day at the US Supreme Court as the

justices handed down a decision with major implications for firearm

regulations. In a six to three ruling, the conservative majority found that the government exceeded its authority when it issued a ban in 2018 on bump stocks.

That's a gun accessory used in the deadliest mass shooting in US history.

A bump stock is used on the back end of a semi-automatic rifle.

It allows the user to re-engage the trigger continuously,

dramatically increasing the rate of fire, like that of an automatic weapon.

Marsha Koyle, our great to speak with you.

So this federal bump stock ban was approved back in 2018 by then President Trump,

and it was in response to that 2017 Las Vegas outdoor music

concert shooting. 58 people were killed a bump stock was used in that but just

remind us how did this issue get before the Supreme Court in the first place?

The way so many cases do, I'm not. Michael Cargill, who was a gun shop owner in Austin,

Texas, filed a lawsuit challenging the Bureau of ATF's

rule ban on bump stocks. He won before the US Court of Appeals for the Fifth

Circuit. It was the Biden administration that brought the case,

the appeal to the Supreme Court.

And Marcia, this was not about the Second Amendment here.

This was about regulation and how the court views it. Alito, writing in his concurring opinion, said this,

there can be little doubt that the Congress that enacted this law would not have seen any

material difference between a machine gun and a semi-automatic rifle equipped with a

bump stock, but the statutory text is clear and we must follow it. In her dissent,

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