Marion County Jury Finds Man Guilty of Manslaughter in the First Degree for Killing Two People with His Vehicle

Posted on May 8, 2025

On May 7th, 2025, a Marion County jury found Terrance Quackenbush-Benson, 29, guilty of two counts of Manslaughter in the First Degree, two counts of Manslaughter in the Second Degree, one count each of Assault in the Second Degree and Third Degree, one count of Driving Under the Influence of Intoxicants, and one count of Reckless Driving.

The charges resulted from a September 16, 2024, incident where Quackenbush-Benson drove his truck across the center line and collided head-on with a truck traveling in the opposite direction.  At the time of the incident, Quakenbush-Benson was under the influence of an inhalant. The driver and passenger died upon impact.  A third passenger survived the crash but suffered serious physical injuries.  She is still recovering.

Marion County Circuit Court Judge Thomas Hart presided over the five-day trial. The State was represented by Marion County Deputy District Attorneys Katharine Semple and Melissa Roberts.

Quakenbush-Benson is scheduled to be sentenced on May 13, 2025, at 4pm.

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