Captain Sandra McKenzie began her law enforcement career in May 1988 with the New Bern Police Department. She has served in many areas of the police department.

In June of 1999, McKenzie was promoted to the rank of Sergeant and was assigned as the Internal Affairs Unit. In May 2004, McKenzie completed her Bachelor of Science Degree in Criminal Justice Administration from Mount Olive College. In July 2004, she was promoted to the rank of Lieutenant.   In January 2007, McKenzie was promoted to Captain.

McKenzie has received an Advanced Law Enforcement Certificate from the North Carolina Training and Standards Commission. She is currently the President for the North Carolina Internal Affairs Investigators Association.

Captain McKenzie is currently the Criminal Investigations Division Commander .