If you have a concealed weapon permit, there are a lot of places you can't bring a gun, and high up on that list are college campuses.

The law is meant to prevent gun violence but there's a new proposal that could change all that.

It comes on the heels of the campus shooting at Florida State University where a gunman with a history of mental illness had sprayed the ground floor with bullets, injuring three students before police could take him out.

All the while, Florida State freshman Tristen Brown was taking cover.

He was only a few yards away from the shooter, and he says if he had a gun, he would have used it.

If a new bill passes -- that would be possible.

Anyone with a concealed weapon permit would be able to take a weapon to class, the cafeteria, even the library.

“That guy, obviously, not a student, no one knew what he was having and he came on and he hurt people and, you know, people aren't able to defend themselves and they didn't have officers at the time to defend themselves,” said Brown. “If you can check out and you can legally fit the role to have a concealed weapon license, then I believe you should be able to carry one on campus.”

The bill's sponsor, lawmaker Greg Steube, who represents part of Manatee County says by the time police arrive to a shooting it's often too late.

Gun store owner Jim Tatum agrees.

In the wake of the FSU shooting, he's been selling stun guns to students looking for a way to defend themselves without breaking the law.

Tatum says if you know how to use one, you ought to be allowed to carry one.

“As long as the person is thoroughly checked out and properly trained,” said Tatum.

But not everyone agrees.

Florida State's new president, John Thrasher, opposed lifting the campus gun ban a few years ago, saying it could make things worse.

Even Tristen admits there might be a risk.

What's to say an 18-year-old with a gun is going to be able to handle it properly?

Despite the opposition, the bill's supporters, including the powerful gun lobby, say what happened at Florida State has changed the way people think about guns on campus.

That's why they're confident the bill will pass.