Police work the scene of a shooting on Third Avenue and Pine Street in Seattle.

Honolulu police carry an injured officer after a shooting and domestic incident at a residence on Hibiscus Road near Diamond Head in Honolulu. Witnesses say at least two Honolulu p...

In this image made from video provided by KSAT, San Antonio police officers work the scene of a deadly shooting at the Ventura, a music venue in San Antonio, Texas. Texas authoriti...

In this still frame from livestreamed video provided by law enforcement, churchgoers take cover while a congregant armed with a handgun, top left, engages a man who opened fire, ne...

Afghan President Ashraf Ghani, foreground, and Afghan honor guards carry the coffin of Japanese physician Tetsu Nakamura during a ceremony before transporting his body to his homel...

Law enforcement stand near a vehicle at the crime scene where four people were killed in Miramar, Florida. The FBI says four people, including a UPS driver, were killed after robbe...

A former policeman walks through an abandoned home, torched by the Zetas cartel eight years back, in Allende, Coahuila state, Mexico. In an act of revenge cartel members in 2011 ra...

Waukesha South High School students find their waiting parents and friends and hug after they leave the building following shots fired inside the school. A suspect is in custody af...

A shop's windows are riddled with bullet holes near City Hall after a gunbattle in Villa Union, Mexico. The small town near the U.S.-Mexico border began cleaning up even as fear pe...

New Orleans police investigate the scene of a shooting on the edge of the city's famed French Quarter.

Adrian Lopez, 15, takes a video of law enforcement as they investigate a shooting on the campus of Sarah J. Anderson Elementary School in Vancouver, Washington. Authorities say a m...

Shoppers look to the scene of a fatal shooting in the parking lot of a Walmart in Duncan, Okla

People attend the funeral of Dawna Ray Langford, 43, and her sons Trevor, 11, and Rogan, 2, who were killed in an ambush earlier this week, in La Mora, Mexico. As Mexican soldiers ...

Bullet-riddled vehicles that members of the extended LeBaron family were traveling in sit parked on a dirt road near Bavispe, at the Sonora-Chihuahua state border, Mexico. Three wo...

Police officials inspect a shooting scene at a security checkpoint in Yala province, Thailand. Gunmen in insurgency-wracked southern Thailand killed 15 village defense volunteers a...

Police detain a man, bottom left laying on the ground, next to a damaged ambulance that he stole after an incident in the center of Oslo. Norwegian police opened fire on an armed m...

NYPD investigates the scene of a shooting in the Brooklyn borough of New York.

NYPD investigates the scene of a shooting in the Brooklyn borough of New York. Authorities responded to a call about shots fired just before 7 a.m. and found four men dead in the C...

Police officers cross a wall at a crime scene in Halle, Germany after a shooting incident.

A body lies on a road in Halle, Germany after a shooting incident. A gunman fired several shots in German city of Halle and at least two got killed, according to local media FOCUS ...