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Investigations
Thursday, Apr 12, 2018
Unique California Unit Removes Weapons From Criminals

Unique California Unit Removes Weapons From Criminals

Thousands of guns illegally in the hands of criminals have been taken off the streets because of a unit you will only find in California. Lolita Lopez reports for the NBC4 News at 5 on Wednesday, April 11, 2018.

Investigations
Wednesday, Apr 11, 2018
Feds Target Dangerous Gas Tankers on SoCal Roadways

Feds Target Dangerous Gas Tankers on SoCal Roadways

The operator of a gasoline hauling company tied to two fatal explosions has been accused in federal court of continuing to use dozens of potentially unsafe tanker trucks to haul gasoline, ethanol, and diesel fuel across Southern... Read More

Investigations
Tuesday, Apr 10, 2018
Consumer Encounters Hidden Hotel Fee

Consumer Encounters Hidden Hotel Fee

NBC4 investigated hidden hotel fees after a consumer booked a hotel room that ended up being 50 percent more than he expected. Randy Mac reports for NBC4 News at 5 p.m. on Tuesday, April 10, 2018.

Investigations
Tuesday, Apr 10, 2018
Accused Police Killer Spent Less Than a Month in the Army

Accused Police Killer Spent Less Than a Month in the Army

The man accused of murdering a Pomona Police Department officer after a car chase and shootout served less than one month in the US Army before being discharged for an unknown reason. Read More

Investigations
Tuesday, Apr 10, 2018
230 Pounds of Pot Discovered on a Charter Jet in Van Nuys

230 Pounds of Pot Discovered on a Charter Jet in Van Nuys

Los Angeles Airport Police officers seized more than 230 pounds of marijuana from a private jet at Van Nuys Airport. Read More

Investigations
Monday, Apr 9, 2018
Source of Apartment Explosion Probed

Source of Apartment Explosion Probed

A man was in a medically induced coma after an explosion at an apartment complex. Lolita Lopez reports for the NBC4 News on Monday, April 9, 2018.

Investigations
Friday, Apr 6, 2018
Randy Explains Superchecks

Randy Explains Superchecks

Superchecks are designed to intice you to transfer a balance from another account at zero percent interest but that's not the entirety of the promotion. Randy Mac reports for the NBC4 News on Friday, April 6, 2018.

Investigations
Tuesday, Mar 20, 2018
How to Avoid Tax Refund Scams

How to Avoid Tax Refund Scams

It’s almost tax time and scammers are busy making phony calls and sending fake emails, so here’s some information to protect yourself before the filing deadline. Read More

Investigations
Tuesday, Apr 3, 2018
Texting Drivers: CHP is Looking for You This Month

Texting Drivers: CHP is Looking for You This Month

If you're tempted to text while you drive, be warned: the California Highway Patrol and local police agencies will be making an extra effort this month to catch you in the act. Read More

Investigations
Friday, Mar 30, 2018
Sharing Child Porn to Help Catch a Predator is Still a Crime

Sharing Child Porn to Help Catch a Predator is Still a Crime

Law enforcement agencies are warning social media users that sharing child pornography is a crime -- even if you're trying to help catch the predator. Those good intentions can be considered criminal and lead to serious penalties... Read More

Sex and Drugs at LA Libraries


An NBC4 undercover investigation exposes illegal activity at LA libraries.

Fake Reviews


If you rely on online reviews to pick restaurants, businesses and services, beware: the reviewers you're depending on may be fake.

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.

Top Investigations