Former Rep. Gabrielle Giffords (D-Ariz.) is encouraging lawmakers to support expanded background checks for gun purchases.
The AP reports:
Other survivors of the mass shooting are expected to join Giffords at the news conference in Tucson Wednesday.
A gun control group started by Giffords and husband Mark Kelly began airing a new television ad in Arizona and Iowa Tuesday calling for background checks.
The Senate Judiciary Committee is scheduled to take up tougher firearm regulations Thursday.