Boston bombings on "Face the Nation"

"Suspect 1" and "Suspect 2" in the Boston Marathon bombings, as identified by the FBI, are seen standing together before the blasts in an image released by the FBI.

The latest on the Boston bombings with House Homeland Security Chairman Mike McCaul, R-Texas, Ranking Member of the Senate Homeland Security and Governmental Affairs Committee Tom Coburn, R-Okla., former New York City Mayor Rudy Giuliani and former Secretary of Homeland Security Tom Ridge, and CBS News correspondents Bob Orr and John Miller. 

Plus, a look at gun control with family members of Newtown victims Neil Heslin, Carlee Soto and Erica Lafferty. 

Tune in Sunday for all the news. Check your local listings so you don't miss a minute.