Driver pleads not guilty in crash that killed actor Treat Williams

Ryan Koss pleaded not guilty to a charge of gross negligence resulting in death in the June crash that killed Treat Williams.
Williams was riding a motorcycle when Koss's SUV pulled out in front of him, causing a collision Koss says was accidental.
The 71-year-old Williams died of severe trauma and blood loss after the crash in Vermont.
If convicted, Koss could face up to 15 years in prison for gross negligence resulting in death.
Koss expressed condolences to Williams' family but denied wrongdoing.