[cnn-photo-caption image=http://i2.cdn.turner.com/cnn/2009/images/02/11/art.vert.nicole.peck.jpg caption="A photograph of Nicole Peck from the City of Atascadero press release." width=292 height=320]
Nicole Peck was behind the wheel on the night of January 15th. A man named Adam Mayfield was her passenger. No one else was inside the Dodge Neon when it veered off the road and crashed into a bridge that Thursday morning.
Peck and Mayfield survived the single-car accident. Police say they were not injured. They are convinced both walked away. But only Mayfield returned home. What happened to Nicole Peck?
Here's what we know: According to the Atascadero Police Department, Peck wasn't reported missing until January 22, a full seven days after she vanished. Working on leads, search and rescue teams fanned out near the bridge looking for the 29-year-old woman. On February 8 at 10:50 a.m., they made the grisly discovery. Peck's body was found in a shallow pool of water, just a few hundred yards from the scene of the collision.
Investigators say there were no tell-tale signs of trauma. So how did she die? Detectives are awaiting Wednesday's autopsy results to determine if Peck was the victim of foul play or not. Although authorities don't have a suspect, they do have a person of interest, Adam Mayfield. He was arrested on unrelated charges of possessing a dangerous weapon and violating parole. He is currently in jail.
Police are convinced Mayfield was the last person to see Peck before she disappeared. They are also certain he left the car with her on the night of January 15. Detectives say they have many more people to interview in the investigation.
Was Nicole Peck the victim of a homicide? Was it an accident? Or did she die from natural causes? The autopsy could shed light on this deadly mystery.
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