Seems like Senator Rubio is getting in on the "Domestic Terrorism" craze. In 2015 while running for President, he was against an almost identical bill that was proposed at that time. The NRA still has him with a A+ rating.
Senator Marco Rubio Introduces Bill To Suspend Gun Rights of Anyone Who Has Been "Investigated" For Domestic Terrorism
Republican lawmaker Marco Rubio has reintroduced legislation that seeks to suspend the Second Amendment rights of any person who has been investigated for "terrorism" related offenses within 10 years of attempting a gun purchase. The Senate bill, named the Terror Intelligence Improvement Act...
national-justice.com