The Maricopa County Attorney’s Office Investigations Division is comprised of sworn and civilian positions that support the prosecutorial efforts of the Maricopa County Attorney. The Investigations Division is divided into six (6) Bureaus, each of which is commanded by a sworn Lieutenant or civilian Bureau Chief who report directly to the Investigations Division Chief. Each of the six (6) Bureaus performs specific law enforcement related or investigative support functions for the Office.
The Investigations Division also participates in several law enforcement Task Forces to include the US Marshal’s Violent Offender Task Force (VOTF), Drug Enforcement Administration (DEA) Task Force, Arizona Counter Terrorism Information Center (ACTIC), and the FBI Joint Terrorism Task Force (JTTF). The Investigations Division is committed to working in partnership with federal, state, and local law enforcement partners to address issues that impact the quality of life and safety and security of Maricopa County’s residents and guests.
Professional Standards Bureau (PSB)
The PSB is responsible for the investigation of internal and external complaints against all employees of the MCAO. These investigations are conducted in accordance with MCAO policies and procedures, and in compliance with all applicable local, state, and federal laws. In addition, members of PSB are responsible for conducting all pre-employment background investigations for MCAO. PSB oversees the Administrative Detective assignment, which handles all walk-in traffic to MCAO during normal work hours.
Violent Crimes Bureau (VCB)
VCB is responsible for mitigation assignments from MCAO’s Capital Attorneys, as well as follow up investigation for Family Violence and Sex Crimes Deputy County Attorneys (DCAs). Detectives in VCB are assigned to Warrant Apprehension, which includes participation in the U.S. Marshal’s Violent Offender Task Force (VOTF). One Detective is assigned to Asset Forfeiture investigations and is a Certified Fraud Examiner (CFE). VCB Detectives also participate in the DEA Task Force and at the Arizona Counter Terrorism Information Center (ACTIC) providing computer forensic support statewide.
Support Services Bureau (SSB)
SSB provides support to all Bureaus within the Division and coordinates with MCAO HR on recruitment and selection of Division personnel. SSB is responsible for Division training and the Training Advisory Committee (TAC) to ensure our ongoing compliance with Commission on Accreditation for Law Enforcement Agencies (CALEA) and Arizona Peace Officers Standards and Training (AZPOST) standards. SSB also facilitates the service of subpoenas to hospital and medical personnel for courtroom testimony. SSB’s Bureau Chief is responsible for the oversight of Division projects, which includes coordination with internal and external partners.
Special Crimes Bureau (SCB)
SCB handles all threat assessments and investigations for the Division. The SCB also coordinates technical investigations and surveillance. One detective from SCB participates in the FBI’s Joint Terrorism Task Force (JTTF). Three (3) SCB Detectives are assigned to the MCAO Cold Case Squad, which works in partnership with Valley law enforcement agencies and MCAO DCAs to investigate and prosecute these cases. Members of SCB are also responsible for MCAO’s Security and Protection Detail.
Major Crimes Bureau (MCB)
MCB is one of two Bureaus within the Investigations Division responsible for victim and witness location and ensuring legal process is served to support MCAO Prosecutors.
Community Based Investigations Bureau (CBIB)
CBIB is also responsible for victim and witness location and ensuring legal process is served to support assigned MCAO Prosecutors. This Bureau also coordinates investigations for the Check Enforcement program within MCAO.
The MCAO Investigations Division was awarded full accreditation status in July of 2004 by the Commission on Accreditation for Law Enforcement Agencies (CALEA). The Investigations Division was the first and is the only accredited prosecutor’s office in the United States to be awarded CALEA accreditation, and was selected as a Flagship agency in 2010. In April 2016, the Division participated in its second Gold Standard Assessment and was awarded reaccreditation at the July 2016 CALEA conference.
Complaint Procedures (Investigations Division)
If you have a complaint against the Maricopa County Attorney’s Office Investigations Division or one or more of its detectives, please call (602) 506-3844 and ask to speak to a supervisor.
Download a copy of the Citizen Complaint Guide.
Cold Case Investigation Partnership Leads to Arrest of 1989 Homicide Suspect
Twenty-five years after Laura Hunding was stabbed to death, a suspect has been identified and taken into custody. Cudellious Love was arrested on June 13, 2014 and charged with premeditated first degree murder, sexual assault and burglary.
Patrick Ryon Sentenced for 1980 Cold Case Murder
More than three decades after the murder of 19 year-old Alison Mims, her killer has been brought to justice.
Jose Nevares Indicted for 2006 Cold Case Murder
More than seven years after 75 year-old Patricia Staggs was beaten to death in her home, the man alleged to be responsible for her murder has been identified and charged.