Transcript for Troubling Questions About Actor Paul Walker's Death
and next here tonight, the story of an actor who was one of the lucky ones, an actor riding a wave in hollywood in the fast and furious movies. But he was also a young man who loved fast cars. Paul walker walked away from so many crash in his movies but not from this real one. Why? Abc's cecilia vega. Reporter: He's the actor known for his skills behind the wheel and those movie star good looks. But it was paul walker's role in the fast and furious that catapulted him to fame. Police don't know what caused saturday's crash that killed walker and his friend, pro racer roger rodas. The car they were in was going very fast and now police are looking for surveillance video for clues. This is something else authorities are looking into. Skid marks like these to find out if they came from the car paul walker was in or from someone else on this road known for fast driving. That car they were in, a porsche ka repair ra, it sells for more than $400,000, goes from zero to 25 in less than ten seconds and can reach 205 miles per hour. Auto week magazine says even professional drivers call it scary to handle. Just watch the host of the car show top gear driving on a race track. Porsche says it's cooperating with the investigation. As fast and furious fans continue to flock to the crash site, walker's family grieves. We lost a spirit. We lost a person that he had a way about him. I'm devastated. Reporter: All mourning the loss of an actor who loved fast cars on and off the big screen. Cecilia vega, abc news, california.
This transcript has been automatically generated and may not be 100% accurate.