Driver Charged in Napa County Triple Fatal Crash

Prosecutors say American Canyon man was intoxicated during deadly Silverado Trail collision.

Apr. 1, 2026 at 10:23pm

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An American Canyon man has been charged with manslaughter and DUI following a weekend crash in Napa County that left three people dead and four others severely injured. The California Highway Patrol said the Mitsubishi sedan driven by 68-year-old William Dene Brumley sideswiped a BMW SUV and then collided head-on with a Toyota sedan, resulting in the three fatalities.

Why it matters

Impaired driving continues to be a major public safety issue in California, with Napa County seeing its share of deadly crashes. This incident on the popular Silverado Trail underscores the need for stricter enforcement and education around the dangers of drunk and drugged driving.

The details

According to prosecutors, Brumley was arrested at the scene on suspicion of DUI and has now been charged with three felony counts of gross vehicular manslaughter while intoxicated, as well as felony DUI. The three deceased victims were identified as Vivian Bertolino, 65, of Napa; Linda Wolters, 62, of American Canyon; and Katrina Clarke, 65, of Sacramento. A total of six people were injured in the crash.

  • The crash happened at around noon on Saturday, April 1, 2026 on the Silverado Trail in Napa County.
  • Brumley was arrested at the scene and charged on Wednesday, April 5, 2026.

The players

William Dene Brumley

A 68-year-old American Canyon resident who was the driver of the Mitsubishi sedan involved in the fatal crash.

Vivian Bertolino

A 65-year-old resident of Napa who was killed in the crash.

Linda Wolters

A 62-year-old resident of American Canyon who was killed in the crash.

Katrina Clarke

A 65-year-old resident of Sacramento who was killed in the crash.

Napa County District Attorney's Office

The prosecutors who charged Brumley with manslaughter and DUI.

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What’s next

Brumley is scheduled to be arraigned on the charges in Napa County Superior Court.

The takeaway

This tragic incident on the Silverado Trail underscores the urgent need for stronger enforcement and education around the dangers of drunk and drugged driving in order to prevent future loss of life on California's roadways.