Grenada County
Sheriff's Office
Grenada, Mississippi
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Criminal Investigation

The Grenada County Sheriff's Office Criminal Investigators are a multi-task-orientated unit of highly trained and experienced criminal investigators.

The Investigators core values are to Identify Crime, Solve Crime, and Obtain Convictions that enhances the quality of life for the citizens and visitors to Grenada County utilizing a data-driven crime reduction strategy.

It is the commitment of the these highly trained investigators to strive for excellence and professionalism; to provide compassion and understanding while diligently working for the citizens of Grenada County in their time of need.

The Investigative division is made up of Gregg Conley, Josh Dale, Sonja Willis and the Grenada County Sheriff's Office Fire Investigator Jessie Gonzales. 


Chief Investigator
Gregg Conley

Gregg Conley has been with the Grenada Sheriff's department since Jan 1997. He has received specialized Training from the FBI in Advanced Investigative Techniques. Some of his other training includes an Advanced Investigative course from the University of Mississippi as well as an Advanced Investigative course from the Mississippi Law Enforcement Officers Training Academy in Pearl Mississippi. 

Criminal Investigator
Josh Dale 

Josh Dale has worked for the Grenada Sheriff's Office since Jan 1996. Josh first started out as a patrolling Deputy and then transitioned into the K9/Narcotics Officer until 2008. In 2008 Josh moved into the position he now holds as Criminal Investigator.  

Domestic Violence Investigator 
Sonja Crump Willis  

Deputy Sonja Crump Willis has worked for the Grenada County Sheriff's Office since 1997. She is trained as a Forensic & Sexual assault Investigator. She is as well trained in the field of Sexual Assult & Evidence Collection, child Avocacy, Domestic Violence, Critical Incident Stress Management and Crime Victim Compensation.