A 54 year old truck driver from Vancouver, Washington, was killed in Tuesday’s tanker truck crash on Highway 26 near Warm Springs.  David Lee Spooner was killed when his tanker went through a guardrail and down a 200 foot embankment before bursting into flames. Officers are still trying to investigate why the tanker went off the road. “You know at this time, it's hard to say. We’re still investigating it. We’ve got troopers from the Madras Patrol Office and also Prineville that'll becoming in and doing the investigation, so at this time it's still to early to tell. “ OSP Trooper John Russo says the tanker was headed to Sunriver to deliver aviation fuel.