To Catch a Bike Thief - NBC Southern California

The NBC4 I-Team's hidden camera captures bike thieves in the act

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Understanding California's Emergency Alert System

Understanding California's Emergency Alert System

The Canyon Fire 2 has sparked conversations around the importance of having wireless emergency alerts sent to mobile devices in urgent situations. Lolita Lopez reports for the NBC4 News at 5 p.m. on Monday, Oct. 16, 2017.

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Friday, Feb 5, 2016
NBC4 I-Team Tips

NBC4 I-Team Tips

Do you have a tip for the NBC4 I-Team? We want to hear from you. Read More

Monday, Oct 16, 2017
Fires Test Cellphone Emergency Alert System

Fires Test Cellphone Emergency Alert System

The fires in Northern California and Orange County have tested an emergency alert system designed to warn people on their cellphones about an emergency. Read More

Friday, Oct 13, 2017
LAPD Program Prevents Acts of Terrorism

LAPD Program Prevents Acts of Terrorism

The Los Angeles Police Department is working on a program that aims to identify a person with possible tendencies or intentions to commit an act of terrorism and works to stop them before it happens. Read More

Wednesday, Oct 11, 2017
Making Sure You're Not Underinsured When Disaster Strikes

Making Sure You're Not Underinsured When Disaster Strikes

There may be an even harsher reality facing homeowners victimized by the wildfires that continue to rage throughout California: being underinsured. By following a few tips, though, homeowners can make sure they're protected during... Read More

Tuesday, Oct 10, 2017
Examining Harvey Weinstein's Political Contributions

Examining Harvey Weinstein's Political Contributions

Hollywood movie mogul Harvey Weinstein may also have a political impact in the midst of his sexual harassment scandal. Lolita Lopez reports for the NBC4 News at 5 p.m. on Tuesday, Oct. 10, 2017.

Tuesday, Oct 10, 2017
Cleaning Up Santa Susana Field Lab: All About the Numbers

Cleaning Up Santa Susana Field Lab: All About the Numbers

State regulators, Boeing and community advocates offer different visions for a cleanup. The impact of the contamination on those living near the former nuclear and rocket testing site and how much should be cleaned up depends... Read More

Wednesday, Oct 4, 2017
After Las Vegas Tragedy, SoCal Venues Review Security

After Las Vegas Tragedy, SoCal Venues Review Security

Sunday night's mass shooting in Las Vegas has security experts and special event planners reexamining current safety measures, and the resulting changes could eventually mean higher ticket prices. Read More

Tuesday, Oct 3, 2017
In SoCal, Former Peers Recall Las Vegas Shooter

In SoCal, Former Peers Recall Las Vegas Shooter

People who grew up around Las Vegas shooter Stephen Paddock recalled their interactions with him when he went to school in Southern California. Lolita Lopez reports for the NBC4 News at 5 p.m. on Tuesday, Oct. 3, 2017.

Monday, Oct 2, 2017
After Las Vegas Shooting, Hotel Security Under a Microscope

After Las Vegas Shooting, Hotel Security Under a Microscope

One of the big questions after the mass shooting in Las Vegas remains how the gunman got so many firearms into a hotel. The NBC4 I-Team found that American hotels appear to lag behind those in other countries. Joel Grover reports for the NBC4 News at 5 p.m. on Monday, Oct. 2, 2017.

LA's Nuclear Secret


Years of mishandling dangerous radioactive materials and chemicals has also left a toxic legacy for generations of people living near the Santa Susana Field Laboratory.

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