
Sources tell TMZ that several witnesses can place the Viper near the crash scene moments before and after the collision, but it may not be the only vehicle involved.
A rep for Clearwater Police Dept. tells TMZ, "We suspect there may be other witnesses and we encourage them to come forward."
Nick's father, Hulk Hogan, happens to own a silver Viper, but cops made it very clear that the wrestler is not a suspect.
As for Nick's passenger, TMZ has learned that 22-year-old John Graziano is still in "very serious condition." Sources inside the hospital tell us, "John's condition hasn't changed since he arrived."










