The Criminal Investigation Division is comprised of a Division commander, two Sergeants, and 11 detectives. Each detective is assigned cases based upon their general assignment, either person’s crimes or property crimes. Crime scene investigators are assigned to the Criminal Investigation Division. The investigators are responsible for crime scene investigations including forensic and crime scene recovery and processing of evidence.
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Captain Bohannon can be contacted via This email address is being protected from spambots. You need JavaScript enabled to view it. or phone at 770-551-3325.
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 Sergeant Ryan Finley is currently assigned as a supervisor to both the Criminal Investigation Division and the Crime Scene Investigation Unit. He began his career in 2002 with the Fulton County Police Department and was a founding member of the Sandy Springs Police Department, starting in July 2006. Sergeant Finley spent nine years as a Detective and Field Training Officer before being promoted to Sergeant in 2016. Prior supervisory assignments include the Uniform Patrol Division, the Property & Evidence Unit, and most recently as Staff Inspections Manager, which includes State Certification/Accreditation. Sergeant Finley is a graduate of Middle Tennessee State University, where he earned his Bachelor of Arts and Science degree in Aerospace Administration.
Sergeant Finley can be contacted via This email address is being protected from spambots. You need JavaScript enabled to view it. or phone at 770-551-3310. |
 Sergeant Marc P. McGowan is assigned as a supervisor to the Criminal Investigation Division, where he supervises and manages cases under investigation by the Sandy Springs Police Department. He joined the Sandy Springs Police Department in 2010 and has over 25 years of law enforcement experience.
Before joining the Sandy Springs Police Department, Sergeant McGowan served with the Fulton County and Henry County Police Departments. His experience includes Uniform Patrol, Criminal Investigation, Field Training Officer, and Community Policing. He is also a member of the North Metro Crisis Negotiations Team. He was promoted to Sergeant in 2016 and is a graduate of the University of Louisville’s Southern Police Institute, Administrative Officer Course. Sergeant McGowan can be contacted via This email address is being protected from spambots. You need JavaScript enabled to view it. or phone at 770-551-2565. |
Special Investigations Unit (SIU)
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Captain F. Bohannon is the Commander of the Criminal Investigation Division. She supervises both the Criminal Investigation Divisions and Special Investigations Unit. She began her career at the Sandy Springs Police Department in July 2006 after having previously worked at the Fulton County Police Department. In 2016, she was promoted to the rank of Captain. Captain Bohannon has served as Night Commander, Administration/Community Affairs Commander, and is currently the South District Commander. Her educational background includes being a graduate of the Northwestern University School of Police Staff and Command Class #399, Georgia Law Enforcement Command College, Master of Public Safety Administration from Columbus State University, and Bachelor of Business Administration from the University of San Diego. Captain Bohannon is also a graduate of the 2018 Leadership Sandy Springs class.