SONOMA COUNTY (CBS SF) — A manhunt ended in Mendocino County after authorities arrested a man suspected in the gruesome fatal stabbing of his parents at their home in unincorporated Sonoma County.

Sonoma County Sheriff’s deputies got a call at about 9:28 a.m. Monday, from a man who said his nephew had just killed his brother and sister-in-law. He told the dispatcher he had seen all three covered in blood.

When deputies arrived at the house at 1220 Sexton Road, in the Twin Hills neighborhood near Sebastopol, they found a man and a woman stabbed multiple times with a sharp object. They were identified as David and Adrienne Wilson and declared dead at the scene.

Google Streetview of area surrounding 1220 Sexton Road in unincorporated Sonoma County. (CBS)

Google Streetview of area surrounding 1220 Sexton Road in unincorporated Sonoma County. (CBS)

Authorities were searching for the couple’s son who has been identified as 34-year-old Nathan Alexander Wilson. He is the prime suspect in the stabbing death of his parents.

Wilson lives on the property and was last seen covered in blood near a shed on the property. Authorities believe he fled the scene in a black Toyota truck. They warn he is strong and has been known to carry a knife.

Wilson was arrested Monday afternoon after spending most of the day on the run.

Anyone with information should contact the Tip Line at (707) 565-2185, or fill out a Silent Witness Form on the Sonoma County Sheriff’s website.

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