A 39-year-old Long Beach man was charged today with murder in the killing of a bicyclist in Dana Point.

Vanroy Evan Smith also faces a sentencing enhancement for the personal use of a deadly weapon. He pleaded not guilty at his arraignment in the jail courtroom in Santa Ana and a pretrial hearing was scheduled for Feb. 14 in the Harbor Justice Center in Newport Beach.

Smith is accused of killing Dr. Michael John Mammone, 58, at about 3 p.m. Wednesday at Pacific Coast Highway and Crown Valley Parkway.

Orange County sheriff’s deputies were dispatched to the corner for a traffic collision and assault.

The victim was riding a bicycle north on PCH when Smith struck him from behind and then got out and stabbed the bicyclist, sheriff’s deputies alleged. Bystanders detained Smith until deputies arrived.

Sheriff’s investigators say there does not appear to be any connection between the two.

Smith could face up to 26 years to life in prison if convicted at trial.

Editor’s note: This story has been updated with information on Smith’s arraignment and pretrial hearing.

Long Beach man booked on suspicion of murder in death of bicyclist in Dana Point