The 25-year-old native of Mexico was arrested and charged with transporting drugs for sale. Authorities said he has no known prior criminal record in California, but if convicted, he faces 25 years in prison.
Investigators suspect Hernandez is a major drug trafficker with a Mexican cartel, but they're still investigating where the heroin came from.
Hernandez was booked at the Los Angeles County Jail and is being held on $2 million bail.
City News Service contributed to this story.
MORE LOCAL HEADLINES FROM ORANGE COUNTY
SEND TIP || REPORT TYPO || TWEET @abc7 || WIDGET