For years, Second Amendment advocates have long raised concerns about both the government and the public sector collecting and tracking gun purchase data. They say this is a privacy issue and a pathway to deny people their rights to own a weapon or target gun owners legally.

The state of California recently passed a law that says banks and credit card companies must assign merchant category codes to firearm sellers by May of next year so they can flag suspicious activity and alert law enforcement.

Members of Congress have also recently raised alarms over reports the Treasury Department is conducting surveillance on gun owners.

On the FOX News Rundown this week, Jessica Rosenthal spoke with Montana Attorney General Austin Knudsen, who has been outspoken about his opposition to such practices and why tracking gun purchases is a violation of the law.

Jessica also spoke with former ATF Senior Executive Scott Sweetow about how effective a database on gun purchases could be when trying to stop gun trafficking and mass shooters.

We made edits for time and thought you might like to hear our entire conversations with both guests. On today's FOX News Rundown Extra, you'll hear even more from Montana AG Austin Knudsen and former ATF agent Scott Sweetow about gun data collection and whether or not that information would a helpful tool for law enforcement.

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