Brooklyn Runner Katie Suarez's Killer Charged With Murder — image accompanying Marathon Handbook's report. Image accompanying Marathon Handbook’s report; reduced and presented for news commentary with the attributed report. View the complete source report.
Katie Suarez, 28, was fatally stabbed during a run in Brooklyn on Oct. 30. Mohassib, a former police officer and teacher's aide, was arrested and charged with murder.
Mohassib, who worked at P.S. 200, was identified through surveillance footage. He pleaded not guilty and is denied bail. The Department of Education suspended him pending conviction. Read more culture coverage.
The case has raised questions about Mohassib's employment background. Suarez's family and community members demand justice, comparing the case to another unsolved runner's murder. Related: Arrest Made in Fatal Stabbing of Brooklyn Runner.
This original Runner World brief is based on reporting from Marathon Handbook. Visit the source for its complete reporting, context and any later corrections.
Reader questions
Questions about this report
What should runners know about Brooklyn Runner Katie Suarez's Killer Charged With Murder?
Sayed Mohassib arrested for stabbing Katie Suarez during her run, pleads not guilty. Katie Suarez, 28, was fatally stabbed during a run in Brooklyn on Oct. 30. Mohassib, a former police officer and teacher's aide, was arrested and charged with murder.
When did Runner World publish this culture brief?
Runner World published this brief on November 10, 2026. The underlying Marathon Handbook report was dated November 9, 2026.
Where can readers find the complete original report?
This summary is based on reporting from Marathon Handbook. The attributed source link in the article leads to the publisher’s complete report.
THE WEEKLY BRIEFING
Start the week a step ahead.
A concise edit of the running stories worth knowing, sent every Monday.
