Getty Images 2 months ago

WASHINGTON - OCTOBER 07: Sen. Jon Tester (D-MT) holds a press conference on Second Amendment rights at the U.S. Capitol October 7, 2009 in Washington, DC. The senator urged the Supreme Court to uphold gun rights for individual states in the McDonald v. The City of Chicago case.

Getty Images 2 months ago

WASHINGTON - OCTOBER 07: Sen. Kay Bailey Hutchison (R-TX) holds a press conference on Second Amendment rights at the U.S. Capitol October 7, 2009 in Washington, DC. The senator urged the Supreme Court to uphold gun rights for individual states in the McDonald v. The City of Chicago case.

Getty Images 2 months ago

WASHINGTON - OCTOBER 07: Sen. Jon Tester (D-MT) holds a press conference on Second Amendment rights at the U.S. Capitol October 7, 2009 in Washington, DC. The senator urged the Supreme Court to uphold gun rights for individual states in the McDonald v. The City of Chicago case.

AP Photo 4 months ago

Map shows right to carry gun laws by state.

AP Photo 8 months ago

Map shows right to carry gun laws by state and overlays with shooting locations in the past month.

People react after seeing a relative who was shot dead by shotguns at an emergency room of a hospital near the slums of Petare in Caracas November 22, 2009.

The body of a 16-year-old boy who was shot dead is examined by doctors at the emergency room of a hospital near the slums of Petare in Caracas November 22, 2009.

A group of men look at the body of their relative who was shot dead by shotguns at the emergency room of a hospital near the slums of Petare in Caracas November 22, 2009.

A group of men look at the body of their relative who was shot dead by shotguns at the emergency room of a hospital near the slums of Petare in Caracas November 22, 2009.

A 15-year-old girl is searched for weapons by a policewoman during a raid near a hospital at the slums of Petare in Caracas November 22, 2009. Battling with one of the world's highest murder rates, violent crime consistently registers as Venezuelans' main concern in opinion polls.

The body of a 16-year-old boy who was shot dead is examined by doctors in the emergency room of a hospital near Petare slums in Caracas November 22, 2009.

Police search suspects for weapons during a raid near a hospital at the slums of Petare in Caracas November 22, 2009. Battling with one of the world's highest murder rates, violent crime consistently registers as Venezuelans' main concern in opinion polls.

Doctors examine a gunshot victim's X-rays at the emergency room of a hospital near the slum of Petare in Caracas November 14, 2009. Violent crime consistently registers as Venezuelans' main concern in opinion polls.

A 15-year-old girl with a gunshot wound on her leg rests in the emergency room of a hospital near the Petare slum in Caracas November 14, 2009. Gun laws are lax in Venezuela, where the government estimates there are 6 million firearms circulating among the population of about 28 million.

A 14-year-old boy with a gunshot wound on his leg is treated by medical personnel at the emergency room of a hospital near the Petare slum in Caracas November 14, 2009.

A policeman inspects the dead body of a young man at the emergency room of a hospital near the slum of Petare in Caracas November 14, 2009. Violent crime consistently registers as Venezuelans' main concern in opinion polls.

The body of a young man who was shot dead is examined by doctors at the emergency room of a hospital near the Petare slum in Caracas November 14, 2009.

A woman reacts after seeing her relative, who was injured by gunfire, at the emergency room of a hospital near the slum of Petare in Caracas November 14, 2009.

A young man with gunshot wounds is treated by doctors at the emergency room of a hospital near the Petare slum in Caracas November 14, 2009. Gun laws are lax in Venezuela, where the government estimates there are 6 million firearms circulating among the population of about 28 million.

A young man with gunshot wounds is helped by a relative at the emergency room of a hospital near the Petare slum in Caracas November 14, 2009. Gun laws are lax in Venezuela, where the government estimates there are 6 million firearms circulating among the population of about 28 million.

A man carries a woman injured by gunfire, at a hospital near the Petare slum in Caracas November 14, 2009. Violent crime consistently registers as Venezuelans' main concern in opinion polls.

A young man with gunshot wounds is helped by relatives at the emergency room of a hospital near the Petare slum in Caracas November 14, 2009. Gun laws are lax in Venezuela, where the government estimates there are 6 million firearms circulating among the population of about 28 million.

A young man with gunshot wounds is wheeled into the emergency room of a hospital near the Petare slum in Caracas November 14, 2009. Gun laws are lax in Venezuela, where the government estimates there are 6 million firearms circulating among the population of about 28 million.

A woman reacts after seeing the body of her son, who died of gunshot wounds, at the emergency room of a hospital near the Petare slum in Caracas November 14, 2009.

A young man injured by gunfire is treated at the emergency room of a hospital near the Petare slum in Caracas November 14, 2009. Violent crime consistently registers as Venezuelans' main concern in opinion polls.