BUREAU OF INVESTIGATIONS RELEASE UPDATE: Public Officials Face Additional Charges in Evangeline Parish Malfeasance Investigation

Published: 11-13-2026 | Category: BOI


Evangeline Parish – Detectives with the Criminal Investigations Division (LSP-CID), Breaux Bridge Field Office, continued their investigation following the initial arrests, in April of 2026, of five public officials in connection with unauthorized access to and dissemination of protected law enforcement information. During the continued investigation, Detectives uncovered evidence of additional crimes and submitted their findings to the Louisiana Attorney General’s Office, resulting in additional charges against the following individuals in Evangeline Parish:

  • 33-year-old Darrien Guillory, former Sergeant with the Ville Platte Police Department
    • Criminal Conspiracy
    • Unauthorized Use of a Movable 

  • 41-year-old Chasecca Basco, 911 Dispatch Supervisor for Evangeline Parish
    • Prohibited Acts – Schedule II (five counts)
    • Principal to Trespass Against State Computers (32 counts) 

  • 49-year-old Yolanda Lewis, former Police Officer with the Opelousas Police Department
    • Criminal Conspiracy and Trespass Against State Computers (10 counts)
    • Obstruction of Justice

On November 12, 2026, Guillory, Basco, and Lewis were arrested and booked into Evangeline Parish Sheriff’s Detention Center on the additional charges.
Louisiana Attorney General Liz Murrill said, “No one is above the law, especially those with a duty to serve the public.”

The Louisiana State Police Criminal Investigations Division will serve as the lead investigative agency, working in coordination with the Louisiana Attorney General’s Office. No further information is available at this time.

 

ORIGINAL NEWS RELEASE
April 7, 2026 

Five Public Officials Arrested in Evangeline Parish Investigation

Evangeline Parish - In March of 2026, the Evangeline Parish Sheriff’s Office (EPSO) requested the Louisiana State Police Criminal Investigations Division (LSP-CID) to investigate allegations of malfeasance involving multiple public officials, related to the access and dissemination of protected information to unauthorized individuals. 

During the investigation, Detectives identified five public officials who accessed state or government computer databases and shared sensitive information from those systems with an arrested defendant regarding his ongoing criminal case. The information disclosed included details related to alleged victims in active investigations. 

As a result of the investigation, the following individuals have been arrested:

  • 40-year-old Ryan Williams, Mayor of Ville Platte
    • Malfeasance in Office

  • 33-year-old Darrien Guillory, Sergeant with the Ville Platte Police Department
    • Malfeasance in Office

  • 53-year-old Charles “Pat” Hall, Chief of Police for the Mamou Police Department
    • Trespass against State Computers
    • Malfeasance in Office

  • 41-year-old Chasecca Basco, 911 Dispatch Supervisor for Evangeline Parish
    • Trespass against State Computers
    • Malfeasance in Office

  • 49-year-old Yolanda Lewis, Police Officer with the Opelousas Police Department
    • Trespass against State Computers
    • Malfeasance in Office

All individuals were arrested and booked into the Evangeline Parish Jail, with the exception of Lewis, who was arrested and booked into the St. Landry Parish Jail.

The Louisiana State Police will serve as the lead investigative agency, working in coordination with the Evangeline Parish Sheriff’s Office. This investigation remains active and ongoing. No further information is available at this time. 

Anyone with additional information is encouraged to contact the LSP CID Breaux Bridge Field Office at (337) 332–8080.  Information can also be reported anonymously through the Louisiana State Police online reporting system by visiting www.lsp.org and clicking the Suspicious Activity link or calling the LSP Fusion Center Hotline at 1-800-434-8007. 


Contact Information: 
Sergeant Peggy Bourque 
Louisiana State Police 
Public Affairs Section  
Office: 337-262-5880 
[email protected]