State Police Investigate Fatal Pedestrian Collision – Delaware State Police

Date posted: Tuesday, November 8, 2022

Delaware State Police are investigating a fatal collision involving a pedestrian that occurred in the New Castle area on Wednesday evening last week.

On November 2, 2022, at approximately 6:34 p.m., a gray 2011 Jeep Grand Cherokee was traveling northbound on New Castle Avenue as it approached the Rodney Drive intersection. At the same time, a 74-year-old woman, later identified as Mireille Mathis from Greenville, South Carolina, was walking west on New Castle Avenue, away from the crosswalk. As Mathis crossed the roadway, she was struck by the front passenger side of the Jeep, resulting in serious injuries. The driver of the Jeep was properly restrained and was not injured. No other vehicles were involved in this incident.

Mathis was transported to an area hospital for medical attention. Mathis remained in hospital until her death on the morning of November 7, 2022.

The Delaware State Police Troop 2 Collision Reconstruction Unit continues to investigate this incident. Soldiers are asking anyone who witnessed this collision to please contact Sergeant J. Jefferson at 302-365-8484. Information can also be provided by contacting Delaware Crime Stoppers at 1-800-TIP-3333 or via the Internet at

If you or someone you know is a victim or witness to a crime or has lost a loved one to sudden death and needs help, the Police Victim Services Unit State of Delaware / Delaware Victim Support Center is available to provide you with 24-hour support and resources through a toll-free helpline at 1-800-VICTIM-1 (1-800-842-8461). You can also email the Victim Services Unit at

You can track the Delaware State Police by clicking:

Delaware State Police Official Site



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Presented by Public Information Officer, Senior Corporal Leonard DeMalto

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