Investigation

After being exposed to toxins from the LA fires, some firefighters are turning to a compounded breathing drug, but it’s hard to get in California.

The California Board of Pharmacy has taken steps to make the compounded form of glutathione, a breathing treatment for firefighters, hard to access. Carolyn Johnson reports for the NBC4 News at 6 p.m. on Wednesday, March 5, 2025.

The final moments of a Cal Fire captain who was stabbed to death allegedly by her wife show she pleaded for her life. Darsha Philips reports for the NBC4 News at 11 p.m. on Tuesday, Feb. 25, 2025.

Police are warning the public about a scam involving bandit tow trucks that show up at traffic collisions hoping to dupe crash victims out of thousands of dollars. Carolyn Johnson reports for the NBC4 News at 6 p.m. on Feb. 19, 2025. 

Investigative Reporter Joel Grover, whose reports led to LA’s restaurant letter-grade system and pushed elected officials to do better at serving Angelenos, is closing a chapter in his illustrious career. This video was broadcast during the NBC4 News at 6 p.m. on Thursday, Dec. 5, 2024.

A Glendale man who owed his business partner $80,000 is accused of killing his colleague and his colleague’s wife’s before burning their bodies and torching their cars in two SoCal deserts, according to the Orange County District Attorney’s Office.

A racist text message was sent to thousands of Black individuals nationwide the day after the election, leaving one Santa Monica mother to urge officials to take protective measures for students.

School districts in Southern California are looking into racist text messages that were sent not only to Black students on their campuses, but also nationwide. Karma Dickerson reports for the NBC4 News at 5:30 p.m. on Monday, Nov. 11, 2024.

In May 2020, Andrea Morris went into sudden cardiac arrest and did not receive CPR or oxygen for more than 7 minutes.

After an Upland hospital denied work comp for a nurse who suffered sudden cardiac arrest at work, a judge ruled her condition is “industrially related.” The I-Team’s Carolyn Johnson reports for the NBC4 News at 4 p.m on Thursday, Oct. 31, 2024. 

Some Ticketmaster customers say their accounts have been hacked and tickets stolen.

A San Francisco man is speaking out since filing a lawsuit claiming Alaska Airlines made him change seats at the last minute, which may have led to his French bulldog’s death.

A man was arrested Tuesday for allegedly killing a 38-year-old woman in Costa Mesa, police said.

A Los Angeles woman who’s experienced homelessness at several points in her life shares how the voting process can be difficult for some unsheltered residents. Lolita Lopez reports for the NBC4 I-Team on Monday, Oct. 14, 2024.

Latinos, women and independents are among the voting blocks often discussed during elections.

Southern California families said they couldn’t find their loved ones’ graves at the nation’s largest cemetery located in Whittier. The I-Team’s Joel Grover found the answer for the NBC4 News at 6 p.m. on Thursday, Oct. 10, 2024. 

Viewers who contacted the I-Team couldn’t find their relatives’ graves, so the I-Team investigated and found out why they vanished.

A San Jose family is in dispute with their son’s school over the use of their dog during school drop-offs and pick-ups.

Southern California plastic surgeon Arian Mowlavi is facing two felony counts of battery with serious bodily injury related to two patients, but before his arraignment Wednesday he submitted a financial declaration requesting the court appoint a public defender.

SoCal plastic surgeon Arian Mowlavi is facing two felony counts of battery with serious bodily injury related to two patients, but before his arraignment Wednesday he submitted a financial declaration requesting the court appoint a public defender. Carolyn Johnson reports for the NBC4 I-Team on Sept. 25, 2024.