Participants observe a moment of silence as they hold candles during a vigil to mark the 5th anniversary of the 2012 mass shooting at Sandy Hook...
Participants representing victims of gun violence attend a vigil to mark the 5th anniversary of the 2012 mass shooting at Sandy Hook Elementary...校園槍擊案, 摄影, 受害者
Participants observe a moment of silence as they hold candles during a vigil to mark the 5th anniversary of the 2012 mass shooting at Sandy Hook...
Participants representing victims of gun violence attend a vigil to mark the 5th anniversary of the 2012 mass shooting at Sandy Hook Elementary...
Woman places a memento at the sign for Sandy Hook Elementary School on Saturday, December 15 in Newtown, Connecticut, a day after a shooting rampage...
Parents leave Sandy Hook Elementary School in Newtown, Connecticut, with their children Friday, December 14, 2012. Twenty-seven people, including 18...
Woman talks to a state police officer at the scene of a shooting at Sandy Hook Elementary School in Newtown, Connecticut, Friday, December 14, 2012....
Virgin Rodriguez, second from right, holds her son, Elias during a candlelight vigil at Hartford, Connecticut's Bushnell Park on Friday, December 14...追思晚會
Parents leave Sandy Hook Elementary School in Newtown, Connecticut, with their children Friday, December 14, 2012. Twenty-seven people, including 18...
People embrace outside Sandy Hook Elementary School in Newtown, Connecticut, Friday, December 14, 2012. Twenty-seven people, including 18 children,...
Parents carry their children as they leave Sandy Hook Elementary School in Newtown, Connecticut, Friday, December 14, 2012. Twenty-seven people,...
Gov. Dannel Malloy arrives at Sandy Hook Elementary School in Newtown, Connecticut, Friday, December 14, 2012. Twenty-seven people, including 18...
Parents arrive at Sandy Hook Elementary School in Newtown, Connecticut, Friday, December 14, 2012. Twenty-seven people, including 18 children, were...
Mark Barden looks out the window and weeps while talking about his dead son, Daniel, in Newtown, CT on May 23, 2013. Daniel was among the school...
Flowers and candles left to remember the dead in front of the St. Rose Catholic Church in Newtown, CT on December 15, 2012.
Mark Barden holds up a picture of his son Daniel who was killed in the Sandy Hook masracre during a vigil remembering the 58 people killed in...
Reflections spread onto the street as dozens of people attend a vigil remembering the 58 people killed in Sunday's shooting in Las Vegas and calling...
Dozens of people attend a vigil remembering the 58 people killed in Sunday's shooting in Las Vegas and calling for action against guns on October 4,...
Mark Barden holds up a picture of his son Daniel who was killed in the Sandy Hook masracre during a vigil remembering the 58 people killed in...
Dozens of people attend a vigil remembering the 58 people killed in Sunday's shooting in Las Vegas and calling for action against guns on October 4,...
Dozens of people attend a vigil remembering the 58 people killed in Sunday's shooting in Las Vegas and calling for action against guns on October 4,...追思晚會, 暴力
Dozens of people attend a vigil remembering the 58 people killed in Sunday's shooting in Las Vegas and calling for action against guns on October 4,...
Man holds a candle as dozens of people attend a vigil remembering the 58 people killed in Sunday's shooting in Las Vegas and calling for action...
People light candles during a vigil remembering the 58 people killed in Sunday's shooting in Las Vegas and calling for action against guns on October...
Dozens of people attend a vigil remembering the 58 people killed in Sunday's shooting in Las Vegas and calling for action against guns on October 4,...
People sign a poster during a vigil remembering the 58 people killed in Sunday's shooting in Las Vegas and calling for action against guns on October...
People sign a poster during a vigil remembering the 58 people killed in Sunday's shooting in Las Vegas and calling for action against guns on October...
Dozens of people attend a vigil remembering the 58 people killed in Sunday's shooting in Las Vegas and calling for action against guns on October 4,...
Dozens of people attend a vigil remembering the 58 people killed in Sunday's shooting in Las Vegas and calling for action against guns on October 4,...
Dozens of people attend a vigil remembering the 58 people killed in Sunday's shooting in Las Vegas and calling for action against guns on October 4,...
Dozens of people attend a vigil remembering the 58 people killed in Sunday's shooting in Las Vegas and calling for action against guns on October 4,...
Dozens of people attend a vigil remembering the 58 people killed in Sunday's shooting in Las Vegas and calling for action against guns on October 4,...
Dozens of people attend a vigil remembering the 58 people killed in Sunday's shooting in Las Vegas and calling for action against guns on October 4,...
Dozens of people attend a vigil remembering the 58 people killed in Sunday's shooting in Las Vegas and calling for action against guns on October 4,...
Dozens of people attend a vigil remembering the 58 people killed in Sunday's shooting in Las Vegas and calling for action against guns on October 4,...
Dozens of people attend a vigil remembering the 58 people killed in Sunday's shooting in Las Vegas and calling for action against guns on October 4,...
Dozens of people attend a vigil remembering the 58 people killed in Sunday's shooting in Las Vegas and calling for action against guns on October 4,...
Dozens of people attend a vigil remembering the 58 people killed in Sunday's shooting in Las Vegas and calling for action against guns on October 4,...
Mark Barden gets a hug while holding up a picture of his son Daniel who was killed in the Sandy Hook masracre during a vigil honoring the 59 people...
Mark Barden holds up a picture of his son Daniel who was killed in the Sandy Hook masracre during a vigil remembering the 59 people killed in...
Dozens of people attend a vigil remembering the 59 people killed in Sunday's shooting in Las Vegas and calling for action against guns on October 4,...
Mark Barden holds up a picture of his son Daniel who was killed in the Sandy Hook masracre during a vigil remembering the 59 people killed in...
Mark Barden holds up a picture of his son Daniel who was killed in the Sandy Hook masracre during a vigil remembering the 59 people killed in...
Dozens of people attend a vigil remembering the 59 people killed in Sunday's shooting in Las Vegas and calling for action against guns on October 4,...
Mark Barden holds up a picture of his son Daniel who was killed in the Sandy Hook masracre during a vigil remembering the 59 people killed in...
Dozens of people attend a vigil remembering the 59 people killed in Sunday's shooting in Las Vegas and calling for action against guns on October 4,...
Mark Barden holds up a picture of his son Daniel who was killed in the Sandy Hook masracre during a vigil remembering the 59 people killed in...
Dozens of people attend a vigil remembering the 59 people killed in Sunday's shooting in Las Vegas and calling for action against guns on October 4,...
Dozens of people attend a vigil remembering the 59 people killed in Sunday's shooting in Las Vegas and calling for action against guns on October 4,...
The American flag flies at half mast at the American Embassy in London for the victims of the mass shooting at Sandy Hook Elementary School,...
The American flag flies at half mast at the American Embassy in London for the victims of the mass shooting at Sandy Hook Elementary School,...
Gun rights activists stand in front of a poster depicting victims of the Sandy Hook Elementary School mass shooting during a protest about gun...
People pass a poster depicting victims of the Sandy Hook Elementary School mass shooting during a protest about gun violence outside the National...
Gun rights activist stands in front of a poster depicting victims of the Sandy Hook Elementary School mass shooting during a protest about gun...
Gun rights advocate carries an assault style rifle past a poster depicting victims of the Sandy Hook Elementary School mass shooting during a protest...
President Barack Obama gets emotional as he speaks on reducing gun violence in the East Room of the White House on January 5, 2016 in Washington, DC.巴拉克·奧巴馬, 槍擊案
United States - A woman offers prayers in front of a makeshift memorial near Sandy Hook Elementary School in Newtown, Connecticut, on Dec. 20, 2012....
United States - Yumiko Hawke, mother of a pupil at Sandy Hook Elementary School in Newtown, Connecticut, speaks in an interview with Kyodo News in...
United States - Junko Fischer, mother of two daughters who are pupils at Sandy Hook Elementary School in Newtown, Connecticut, speaks in an interview...
United States - A woman and her child on Dec. 16 head to a makeshift memorial near Sandy Hook Elementary School in Newtown, Connecticut, where 26...