The Investigative Services Division is responsible for investigating unsolved crimes and handling long-term investigations related to gangs, narcotics, and other organized crimes trough multi-jurisdictional task forces. The division consists of detectives, forensic technicians, civilian police analysts, and task force agents.

Crime Scene Unit

Two forensic technicians, who are sworn police officers, are an integral part of the Investigative Services Division. They are responsible for identifying, documenting, and collecting evidence at major crime scenes in the City of Marietta. The unit uses powder and chemical techniques to recover fingerprints from evidence and restore serial numbers that have been partially obliterated.

Cyber Unit

The Investigative Division's Cyber Unit is comprised of civilian Police Analysts who assist detectives in criminal investigations by collecting intelligence and potential evidence through the internet as well as through analysis of crime statistics. They also provide timely and pertinent information relative to crime patterns and trend correlations to the operational and administrative personnel of the police department. All of this information helps each division plan the deployment of resources to prevent, suppress, and investigate criminal activities.


The Detective Division includes detectives and forensic technicians. Detectives are responsible for investigating crimes against people and property.

Crimes Against Persons detectives investigate all major crimes including:

  • Homicide
  • Robbery
  • Aggravated Assault
  • Sexual assault
  • Kidnapping
  • Child abuse / molestation

Crimes Against Property detectives investigate crimes such as:

  • Burglary
  • Larceny
  • Motor vehicle theft
  • Pawn shop violations

Contact the Detective Division

  • To report non-emergency crimes within the City of Marietta, call 770-499-3911
  • To inquire about an active investigation, call 770-794-5325
  • To provide information on past or current crimes or to report criminal activity, call the Marietta Police Tip Line at 770-794-6990 (Confidential and may be anonymous)

Federal Task Forces

The Marietta Police Department has officers assigned to three different Federal Task Force units. The officers serve in two units with the Drug Enforcement Administration (DEA) and on Immigration and Customs Enforcement unit. They all work undercover and as a team with federal agents and officers from other jurisdictions to stop illegal crimes on the federal level. Their work pays off in thousands of dollars worth of illegal drugs and contraband removed from Marietta streets. Additionally, the assets of drug dealers, which includes money, cars, and other valuables, are often seized and converted for law enforcement use.

ICAC Taskforce

Georgia Internet Crimes Against Children (ICAC) Task Force. The mission of the ICAC Task Force program is to assist state and local law enforcement agencies in developing an effective response to cyber enticement, child pornography and the commercial sexual exploitation of children (CSEC).

MATCH Taskforce

The mission of the Atlanta Child Exploitation and Human Trafficking (MATCH) Task Force is:

  • To provide a rapid, proactive, and intelligence-driven investigative response to the sexual victimization of children, other crimes against children, and human trafficking within the FBI’s jurisdiction
  • To identify and rescue victims of child exploitation and human trafficking
  • To reduce the vulnerability of children and adults to sexual exploitation and abuse
  • To reduce the negative impact of domestic and international parental rights disputes
  • To strengthen the capabilities of the FBI and federal, state, local, and international law enforcement through training, intelligence-sharing, technical support, and investigative assistance

Marietta-Cobb-Smyrna Narcotics (MCS)

The Marietta-Cobb-Smyrna Narcotics (MCS) Unit is a joint task force comprised of The Marietta Police Department and other Cobb municipalities as well as The Cobb County Police Department and Sheriff's Office. MCS investigates the sale, manufacturing, and distribution of narcotics and other illicit drug crimes.

You may send a crime tip to MCS by calling 770-590-5554.

Narcotics Badge