http://newiprogressive.com/images/stories/S5/las-vegas-shooting2-2017-s5.jpgThe Biden administration defended the regulation in front of the high court after the Trump administration first implemented it in the wake of the 2017 Las Vegas mass shooting, the deadliest in U.S. history.

WASHINGTON - The Supreme Court invalidated the Trump-era ban on bump stocks along ideological lines on Friday, ending the nationwide ban on the devices, which convert semi-automatic weapons to fire hundreds of rounds per minute.

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