Captain Matthew E. Averill

Joined the Beaufort County Sheriff’s Office in 1993.
Originally from Massachusetts.

Captain Matthew E. Averill is the accreditation manager for the Beaufort County Sheriff’s Office. He is responsible for maintaining the Sheriff’s Office’s accreditations through the Commission on Accreditation for Law Enforcement Agencies, or CALEA.

CALEA accreditation is a highly sought-after designation awarded to agencies that voluntarily comply with or exceed nationally recognized best practices. As such, Captain Averill manages the extensive and on-going process of maintaining both the law enforcement and the communications accreditations for Beaufort County Sheriff’s Office.

During his career with the Sheriff’s Office, Captain Averill has served as a patrol deputy, school resource officer and investigator. In 1995, he was assigned to internal affairs (now the Office of Professional Responsibility) as an investigator, a duty he continues to hold today.

Military Service

  • United States Marine Corps
  • United States Air Force

Career Highlights


  • Virginia School of Polygraph

Notable Roles

  • Licensed Polygraph Examiner in South Carolina
    Since 2000


  • Elected president of South Carolina Association of Polygraph Examiners
  • Elected vice president of South Carolina Association of Polygraph Examiners
  • Guest Speaker at the American Association of Police Polygraphists (AAPP)
    Chicago Conference
  • 2003 AAPP Region 5 Polygraph Examiner of the Year


  • American Association of Police Polygraphists 
  • South Carolina Association of Polygraph Examiners

Community Involvement

  • Disabled American Veterans
    Life member
  • AMVETS Post 70