Like many prosecutors’ offices throughout the nation, the Multnomah County District Attorney’s Office is organized into specialized units of attorneys. These units focus on particular types of criminal activity and develop an expertise in the investigation and prosecution of defendants charged with those types of criminal offenses. The following is a summary of the four divisions of the office that engage in criminal investigations and prosecutions.

Division One – Chief Deputy District Attorney Amanda Nadell

• Domestic Violence Unit (crimes in the home, crimes against non-family children, victim assistance)
• Multi-disciplinary Team Unit (inter-family physical and sexual abuse of children)
• Juvenile Unit (youth offenders, delinquency, dependency)
• Misdemeanor Unit (case review, charging instruments, arraignments)

Division Two – Chief Deputy District Attorney Mariel Mota

• Strategic Prosecution Unit (Multnomah County District Attorney Access Attorney Program, high-volume crimes)
• Pretrial Unit (extraditions, grand jury, appeals)
• Unit A/B (theft, fraud, identity theft, drugs, gambling, human trafficking)
• Support Enforcement Division (child support enforcement)

Division Three – Chief Deputy District Attorney Todd Jackson

• Unit C (robbery, burglary, gun and other weapons crimes, vehicular homicide)
• Unit D (assault, sex crimes, aggravated assaults)
• Homicide Unit

Investigations Division – Chief District Attorney Investigator Peter Simpson

The Investigations Division’s primary function is to perform follow-up investigation and trial preparation on cases submitted for prosecution by law enforcement agencies in Multnomah County. In addition to trial preparation and follow-up, the Division is also the primary investigative agency on a wide variety of cases where there is specific investigative expertise or resources. Investigators work closely with other local, state, and federal law enforcement agencies in Multnomah County and participate in joint operations and task forces.

Division staff includes a Chief District Attorney Investigator, Lead District Attorney Investigators, District Attorney Investigators, and an Office Assistant. Investigators include both sworn and non-sworn law enforcement. Sworn investigators are certified law enforcement officers through Oregon’s Department of Public Safety Standards and Training (DPSST).

The Division is divided into two units – the Investigations Unit and the Body Worn Camera (BWC) Unit. The Investigations Unit is staffed with 17 investigators and the BWC Unit is staffed with five investigators.

Investigations Unit personnel are assigned to the following units within the District Attorney’s Office:

• Homicide Unit
• Domestic Violence Unit
• Unit A/B – Property Crimes, Human Trafficking, Gambling
• Unit C – Robbery, Burglary, Firearms, Attempted Murder, Vehicular Homicide
• Unit D – Assaults, Sex Crimes
• Juvenile | Multidisciplinary Team
• Justice Integrity Unit
• Retail Theft Task Force
• Auto Theft Task Force
• Hate Crimes
• Narcotics
• Firearms | Gun Dispossession
• Financial Fraud
• Support Enforcement Division
• Misdemeanor Trial Unit
• Pretrial Unit
• Strategic Prosecution and Services Unit

BWC Unit personnel are tasked with reviewing BWC footage, managing the flow of digital evidence, and redacting audio and video files for court, on cases submitted for prosecution by law enforcement agencies in Multnomah County.