ATF

Investigators arrested 41-year-old Timothy Ireland Jr. at his home near Toledo, Ohio after he threatened to shoot and kill first term Rep. Alexandria Ocasio-Cortez from New York in a Facebook post last month.

A 58-year-old man accused of stockpiling a massive cache of weapons inside a Bel-Air mansion pleaded not guilty Monday to 64 felonies.

A 23-year-old American man, suspected of human smuggling, died Monday following a shootout with U.S. Customs and Border Protection officers at the San Ysidro Port of Entry, authorities confirmed.

A 23-year-old American man, suspected of human smuggling, died Monday following a shootout with U.S. Customs and Border Protection officers at the San Ysidro Port of Entry, authorities confirmed.

NBC 7’s Melissa Adan spoke to a mother who was caught in the crossfire between CBP and and a suspect Monday night at the San Ysidro Port of Entry.

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.”

Arrestan en Colorado a un hombre por dos supuestos casos de asesinato en California. El sospechoso fue detenido dos décadas después en Colorado.

The Jamul home and San Diego storefront of a prominent San Diego jeweler were searched by the FBI Wednesday morning as part of an investigation into a suspected firearms trafficking case, an official confirmed.

Rapper Tekashi69 is in federal custody on racketeering and firearms charges, along with a number of his former associates, officials say.

A man dressed in all black and wearing a “ballistic vest” fired a Ruger semi-automatic rifle at a church in a small South Texas community on Sunday, killing 26 people and wounding about 20 others in what the governor called the deadliest mass shooting in the state’s history. Victims were churchgoers as young as five and as old as 72....

It’s unknown whether packages containing crude pipe bombs sent to prominent Democrats and CNN were ever meant to explode, but while that investigation is underway San Diego bomb squads remain vigilant.

NBC 7’s Mari Payton looks into how local agencies deal with bomb threats.

The investigation into Chad Kipper began after NBC 7 Investigates’ reporting on a gun range, operating with no permit, north of Escondido.

NBC 7 Investigates’ Mari Payton explains the guilty plea.

A gunman who was upset that his ex-wife had been awarded their home in their divorce was found dead after he shot at her and killed both his parents then exchanged gunfire with police in Pennsylvania.

A six month operation jointly by the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) and the Los Angeles Police Department Hollywood division lead to the seizure of more than 45 homemade firearms.

Authorities are offering a $61,000 reward for information leading to the arrest of suspects who shot a federal agent in the face Friday morning on Chicago’s South Side.

A federal agent was shot in the head on Chicago’s South Side early Friday, according to police.

Sheriff Scott Israel gave a detailed account of the initial timeline of the Florida high school shooting that left 17 dead and 14 injured. The ATF confirmed that the shooter had purchased the firearm used in the attack legally over a year ago.