Nasya Fair and her son Korbyn, 4, look at a growing memorial for the Colorado Springs, Colo., shooting victims. Colorado and California are the latest states at the center of the gun control debate.
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Pictures of the Sandy Hook Elementary School shooting victims are displayed as California Democratic Sen. Dianne Feinstein speaks during a 2013 Senate hearing. Wednesday's shooting in San Bernardino, which killed 14 people, was the deadliest since the 2012 shooting at Sandy Hook, which left 26 people dead.
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Hundreds of people gathered for a vigil in Roseburg, Ore., Thursday night, after 10 people died and seven others were wounded in a shooting at the local community college.
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A patient is wheeled into the emergency room at Mercy Medical Center in Roseburg, Ore., following a deadly shooting at Umpqua Community College in Roseburg on Thursday.
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The casket of Ethel Lance is carried to a hearse following her funeral service on June 25. Lance was one of nine people killed in the shooting at Emanuel AME Church in Charleston.
Officials stand by the scene outside a movie theater where a man opened fire on filmgoers Thursday in Lafayette, La. At least two were fatally wounded and seven others injured before the gunman killed himself.