law enforcement sources

Homemade ghost guns are lurking on SoCal streets. Lolita Lopez explains what they are and the threat they pose.

The gun used in a shooting at Saugus High School that left three students dead and three others injured was a kit gun, Sheriff Alex Villanueva said in a tweet Thursday.

A man charged with a deadly Passover shooting at a Southern California synagogue has formally pleaded not guilty to murder.

A man was arrested after bringing a sword to the Empire State Building and acting erratically, police said

Los Angeles County Sheriff’s Deputy Angel Reinosa fabricated a claim that he was shot Wednesday afternoon while standing in the parking lot of the Lancaster Sheriff’s station, department officials announced Saturday night.

A Broadway producer with ties to one of the biggest fraud scandals in theatre history faces child pornography charges after an early morning raid at his Harlem home Tuesday.

Prosecutors say they will seek the death penalty for the North Texas man suspected of fatally gunning down 22 people and injuring dozens of others at an El Paso Walmart Saturday. El Paso County records Sunday showed that 21-year-old Patrick Wood Crusius, of Allen, was booked at the downtown jail in the Texas border city. There was no immediate indication...

The man suspected of opening fire inside an El Paso Walmart Saturday is from North Texas, multiple law enforcement sources tell NBC News. The sources identified the man as 21-year-old Patrick Crusius, who is from the Dallas area.

Leaders from across Texas and around the nation have reacted to news of a mass shooting at a Walmart near a mall in El Paso Saturday that left several dead and a suspect in custody.

A gunman opened fire at a Walmart and a nearby mall in El Paso, Texas, in a Saturday morning assault that killed 20 people and wounded 26, law enforcement officials told NBC News.

A college student from Fort Worth has been arrested in Mississippi and charged with murder in connection with the death of a 21-year-old female Ole Miss student.

Citing a gruesome series of killings in Los Angeles in which one victim was dismembered and whose heart was cut out, a federal grand jury has indicted 22 alleged members or associates of the notorious MS-13 gang on charges that include racketeering and murder.

Singer R. Kelly has been arrested in Chicago on federal sex crime charges, according to two law enforcement sources.

A 20-year-old man who was shot multiple times by Fort Worth police officers on Sunday shot himself in the head first, a police investigation has found.

A 22-year-old Queens man who lived with his parents and allegedly wanted to shoot up Times Square has been arrested after federal authorities who had been surveilling him say he tried to buy guns, a senior law enforcement official familiar with the investigation told News 4 Friday.

The man in custody in connection with the deadly shooting at a Poway synagogue and arson at an Escondido mosque faces 109 federal counts, officials announced Thursday.

The site was too hard to miss. Scores of weapons — rifles and pistols — were laid out in the driveway of a home located in Holmby Hills, one of the toniest neighborhoods in Los Angeles in an area known as the “platinum triangle.”

The man accused of opening fire inside a Poway synagogue on the last day of Passover and setting a fire that damaged an Escondido mosque pleaded not guilty to charges of murder, attempted murder, and arson in court Tuesday.

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A New Jersey man was taken into custody late Wednesday after he tried to walk into St. Patrick’s Cathedral with two gasoline cans, two bottles of lighter fluid and two lighters, police said.