Key Peninsula man kills mother, 3 neighbors before being fatally shot by deputies

Loved ones say the suspect struggled with mental health issues and medication compliance

Mar. 16, 2026 at 1:18pm

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In a tragic incident on the Key Peninsula, 32-year-old Aleksandr Shablykin killed his mother Zoya and three neighbors before being fatally shot by responding deputies. Family members revealed that Shablykin struggled with medication compliance for his mental health, which they believe led to the sudden, violent escalation.

Why it matters

This case highlights the ongoing challenges of supporting individuals with mental health issues and the need for better access to mental health resources and crisis intervention. It also underscores the devastating impact that untreated mental illness can have on families and communities.

The details

According to investigators, Shablykin stabbed and killed his mother Zoya and three neighbors who tried to help her. When deputies arrived, they shot and killed Shablykin. Shablykin had been living with his daughter's family, and the night before the incident, the daughter's boyfriend, Rob Knowles, had told Shablykin to leave. Knowles said he had asked Shablykin if he was taking his medications, but Shablykin did not give a direct answer.

  • The incident occurred on February 24, 2026.
  • More than two weeks have passed since the incident.

The players

Aleksandr Shablykin

A 32-year-old man who killed his mother and three neighbors before being fatally shot by deputies.

Zoya Shabliykina

Aleksandr Shablykin's mother, who was killed in the incident.

Rob Knowles

The boyfriend of Zoya's daughter Anastasia, who had asked Shablykin to leave his home the night before the incident.

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What they’re saying

“Never saw that coming from him.”

— Rob Knowles (FOX 13 Seattle)

“I had a monster in my house with my family.”

— Rob Knowles (FOX 13 Seattle)

“Looking back, I definitely could have done better, I should've monitored his meds, but here's a guy who is 30-ish years old, he's not a kid and he's not my kid, and he's taking them, until he wasn't.”

— Rob Knowles (FOX 13 Seattle)

What’s next

The family has set up a GoFundMe to help cover funeral expenses and long-term therapy costs as they navigate the grief and trauma of the incident.

The takeaway

This tragic case underscores the critical need for better mental health support and crisis intervention services to prevent such devastating outcomes. It also highlights the challenges families face in caring for loved ones with mental health issues and the importance of proactive monitoring and medication management.