Gun buybacks allow gun owners to trade their firearms to government entities -- usually law enforcement -- no questions asked. Do they reduce gun violence? Here's what the research says.

There is research showing red flag laws may be effective in preventing suicides, but there appears to be minimal research associating red flag laws with reducing mass shootings.

"There’s some basic stuff about the laws that I think is misunderstood,” Jon Vernick, professor at JHU’s Bloomberg School of Public Health, said.

This roundup looks at recent publications in the field of suicide prevention research.