Suspect's motive in stabbing of Santa Rosa teacher a mystery

The 16-year-old high school student accused of stabbing his teacher in the head with a pencil Wednesday has been arrested on suspicion of assault with a deadly weapon, but his motive remains a mystery, investigators said.

The boy, whose name has not been released by police because he is a juvenile, was taken into custody after an intense but brief search Wednesday afternoon. He is being held at juvenile hall.

"The kids (who) were in the classroom basically saw this (student) attacking the teacher all of a sudden, unprovoked," Santa Rosa Police Sgt. Dave Linscomb said. "As far as motive is concerned, it's unclear what it was."

Stabbing On Elsie Allen High School Campus


The boy did not have a known history of violence before stabbing Tyler Ahlborn at the close of the lunch break Wednesday, police said. Police found no evidence the boy was intoxicated at the time.

Ahlborn teaches English, social studies and other subjects at the 70-student Midrose High School, an alternative school located on the Elsie Allen High School campus on Bellevue Avenue. He was stabbed multiple times with a mechanical pencil. The 33-year-old teacher sustained non-life-threatening injuries to his forehead, neck and forearm.

He was treated at Santa Rosa Memorial Hospital and released Wednesday.

"This is a hard man," said Alan Petty, a teacher and rugby coach at Elsie Allen High School who has known Ahlborn since he coached him as a Lobo rugby player.

"He is a tough human being," Petty said. "It's not going to dissuade him; he loves those kids. He'll be right back there."

Since graduating from UC Davis and becoming a teacher, Ahlborn had his sights set on teaching at Midrose, an alternative program housed on the Elsie Allen campus and designed to help students make up credits, Petty said.

"He truly believes in helping kids that really need to be helped," he said.

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