Twenty people have been charged in what Orange County officials are calling the largest gun trafficking case in county ...

Caltech scientists have found a fast and efficient way to add up large numbers of Feynman diagrams, the simple drawings physicists use to represent particle interactions. The new method has ...

The device that exploded last week at a LASD facility and killed three detectives was a grenade, ABC News sources confirmed.

The device that exploded last week at a LASD facility and killed three detectives was a grenade, ABC News sources confirmed.

LOS ANGELES -- The device that exploded last week at a Los Angeles County Sheriff's Department facility and killed three detectives was a grenade, ABC News sources confirmed on Monday. Agents and ...

A $10,000 reward was announced for information leading to those responsible for stealing hundreds of firearms from freight trains in Los Angeles last month.

Dispatch audio from July 1 shows that fireworks were not the only concern for responding firefighters.

ICE agents arrested an alleged MS-13 kingpin on El Salvador's Top 100 Most Wanted list and an associate in Nebraska, both living illegally in the US and considered serious threats.

The Los Angeles County Sheriff’s Department has identified the three deputies killed in Friday’s training facility explosion at an East Los Angeles County training site.

Investigators served a search warrant on Monday morning, July 21, in Marina del Rey in connection to an explosion that killed three deputies at a Sheriff’s Department facility on Friday, July 18 ...

In addition, an alleged “MS-13 gang member and foreign terrorist” associate who is also wanted in the Central American nation for allegedly “giving orders” to members of the gang to commit ...