A motorcyclist's helmet camera captured a man attacking him last month in South Florida.
Video shows 27-year-old Kevin Machin getting out of the front passenger seat of the car, approaching the victim, and then striking him.
The victim says the two of them had previously gotten into a heated exchanged on Instagram over a woman.
Police went to Machin's home and placed him into custody.
Detectives said they also found drug paraphernalia and marijuana.
Motorcyclist's helmet camera captures road rage attack