An ER doctor was killed after being mown down by a Lexus and then stabbed to death by the driver in an apparent road rage incident.Dr Michael Mammone, 58, was cycling on the Pacific Coast Highway, California, when he was run over by a white Lexus which sped through a red light at an intersection on Wednesday at around 3pm.

The driver of the vehicle, Vanroy Evan Smith, 39, then got out of his car and stabbed the cyclist multiple times in the back, with brave bystanders tackling him to the ground.

The mainstream media claimed there was “no motive at this time”:

Laguna Beach, CA: Neighborhood cam captures the moment Dr. Michael John Mammone (58) was struck by a vehicle and stabbed. The suspect Vanroy Evan Smith (39) of Long Beach was taken into custody for suspicion of murder. Knife found at the scene. No motive at this time. pic.twitter.com/1TIpfvkqz5

— DeL2000 (@DeL2000) February 3, 2023

Witnesses say he was holding a BB gun when he approached Dr Mammone, a married father-of-two, and was screaming racial slurs about ‘white privilege’ , according to ABC7.

Laguna Beach, CA: Neighborhood cam captures the moment Dr. Michael John Mammone (58) was struck by a vehicle and stabbed. The suspect Vanroy Evan Smith (39) of Long Beach was taken into custody for suspicion of murder. Knife found at the scene. No motive at this time. pic.twitter.com/1TIpfvkqz5

— DeL2000 (@DeL2000) February 3, 2023

Shocking video shows the moment Smith, a trained accountant, careered into the cyclist, with police claiming that the pair were complete strangers.

It shows the Lexus appearing to speed through the intersection and throwing the doctor and his bike up into the air.

Smith, who is described as a black man on his arrest records, can then be seen walking over to Dr Mammone and attacking him again before witnesses drag him away.

Orange County Sheriff’s Department said investigators were unaware of the slurs and added that there was ‘no known relationship or motive’ for the killing.