family and fans of paul walker continue to mourn. fast cars and high octane driving, the keys of the fast & furious franchise. and possibly the cause of death for one of the film s stars. investigators say they believe the fiery crash that killed paul walker and a friend on saturday involved a single speeding car. his fast & furious could star vin deechl visited the crash site monday night. he addressed a crowd gathered at the memorial. thank you for coming down here and showing that this angel up in heaven how much you appreciate him. reporter: omg insider obtained this surveillance video showing the moment it slammed into a light pole. we have confirmed two doa. reporter: the l.a. county s sheriff department investigated and ruled out a tip that it may have been the result of a street race. when they passed us, there