Click the Eyewitness News Story Window above to watch Lisa Hernandez's report from Norwalk.
It was a very brutal attack. Deputies say the man was stabbed as many as 18 times in the back.
Police don't have a motive or a description of the suspect. They are hoping surveillance video from a camera positioned just above where the attack happened will help them in the investigation.
A 911 call came in around midnight. It was first reported as a shooting, but when deputies arrived they found the victim had been stabbed 18 times in the back.
The man was transported to a local hospital where he was pronounced dead. Police say they are withholding the victim's identity until they can contact the man's family.
Deputies are still hoping there are people who witnessed the attack or have information leading them to the suspect.
If you have any information regarding the brutal stabbing in Norwalk, you're urged to call L.A. County Sheriff's Homicide at (323) 890-5500.