Investigative Services Bureau

The Investigative Services Bureau is responsible for the investigation of criminal offenses. It functions to provide investigative, analytical, and crime victim services to the residents of Oxnard that maximize high quality, efficiency, and coordination with the criminal justice system. All efforts focus to promote the safety of the community and its residents.

The Investigative Services Bureau has forty sworn officers, including an Assistant Police Chief, a Police Commander, and five Police Sergeants. This section of the Police Department is also staffed with ten civilian positions that provide essential support functions. Oxnard Police detectives handled approximately thirteen thousand cases in the year 2007. The bureau's operating budget for the 2007-2008 fiscal year was $7.9 million.

The Investigative Services Bureau is comprised of detective units that fall into the following general categories: Crimes Against Persons; Property Crimes, and Narcotics Investigations. Workgroups within the bureau include:
Major Crimes Investigations (homicide) Gang Investigations Robbery / Aggravated Assault Investigations
Graffiti Investigations Sexual Assault Investigations Domestic Violence Investigations
Burglary Investigations Fraud / Forgery Investigations General Assignment Investigations
Narcotics Investigations Crime Prevention Detail Crime Analysis
Crime Scene Investigations (CSI) Victim Services Specialist Sex Offender Registration Specialist
Court Liaison Detail   Missing Persons Specialist

Contact Eric Sonstegard

Eric Sonstegard

Assistant Chief Investigative Services and Administrations Bureaus

Eric S. Sonstegard has been with the Oxnard Police Department since 1996 after spending almost three years with the Los Angeles School District Police Department. During his time in Los Angeles, he worked as a school police officer at Roosevelt High School and Hollenbeck Junior High School in the Boyle Heights neighborhood of East Los Angeles. Since coming to Oxnard, he served as a patrol officer, reserve field training officer, bike team member, and beat coordinator. From 1998 to 2001, Eric worked as a K-9 Handler with his PSD "Argos." As a team, the two of them won over twenty (20) awards at regional K-9 competitions.

In 2003, he was promoted to the rank of Sergeant and served as the supervisor of the Oxnard Violent Crimes Task Force (OVCTF), a multi-jurisdictional F.B.I. Safe Streets Task Force that combatted gang violence with the assistance of federal resources. In January of 2006, Eric transferred to the Professional Standards Division where he served as the Department's Training Sergeant. In November of 2006, he was promoted to the rank of Commander where he managed the Professional Standards Division. In May of 2011, he transferred to the Special Operations Division where he led the Special Enforcement Unit/S.W.A.T. Team, K-9 Unit, Firearms Unit, Defensive Tactics Unit, and Hostage Negotiations Team. In June of 2014, he assumed the role of Investigations Commander where he led six (6) Detective Units, the Crime Analysis Unit, and the C.S.I. Detail. Eric played an instrumental role in the development of the Department's Cultural Proficiency Program and has served as the lead instructor on the topic to over three-hundred (300) employees. Because of these efforts, he was awarded the Chief's Award of Excellence in 2013.

In December of 2014, Eric assumed the role of Interim Assistant Police Chief as the city and police department went through a leadership transition. In November of 2015, he was promoted to the rank of Assistant Police Chief. Eric currently oversees the Investigative Services and Administrative Services Bureaus.

He holds a B.S. degree in Administration of Justice from California Lutheran University and a Master's degree in Public Administration from California State University, Northridge. He is a graduate of the Sherman Block Supervisory Leadership Institute Class 211, P.O.S.T. Management Course, and P.O.S.T. Executive Development Course. In the summer of 2011, he attended the 246th session of the F.B.I. National Academy in Quantico, Virginia and has served as a youth counselor at the F.B.I.N.A.A Youth Leadership Program at Quantico. He was born and raised in Ventura County and has three children with his wife, Carrie, who is a kindergarten teacher. He is a board member of the Oxnard/Port Hueneme Salvation Army Corps, a member of the Oxnard Sunrise Rotary Club, and is a longtime supporter of the Oxnard P.A.L. program and the Mixteco/Indigena Community Organizing Project (MICOP). He was recently elected as the 4th Vice-President of the F.B.I. National Academy Associates (FBINAA) California Chapter.

Contact Andrew Salinas

Andrew Salinas

Investigative Services Commander & Interim Communications Manager

Oxnard Police Officer Andrew Salinas started his career in law enforcement in 1993 as a Reserve Police Officer with the Los Angeles Police Department. He began his career with the Oxnard Police Department in 1996 and ascended to the rank of Police Commander in 2010. During his career, Commander Salinas has worked a myriad of assignments which include Storefront Officer, Narcotics Detective, Grant Coordinator, Beat Coordinator, Sexual Assault Detective, Patrol Sergeant, Training Sergeant, and Special Services Sergeant. He is currently assigned as the Investigative Services Bureau Commander. The Investigative Services Bureau includes the Major Crime Unit, the Family Protection Unit, Violent Crimes unit, Narcotic Unit; and the Crime Analysis Unit. His collateral assignments have included Hostage Negotiator Sergeant on the SWAT Team, Reserve Officer Unit Commander, and Explorer Advisor for POST 9286.

He currently serves as a Board Member for the California Strawberry Festival and is former President of the National Latino Peace Officers Association – Ventura County Chapter (NLPOA).  He also serves as a Board Member for the Oxnard Chamber of Commerce. He was founder of the Police Activities League Computer Learning Lab and coordinated the Oxnard Police Department Toys for Tots program for over 6 years which served over 15,000 children.

Commander Salinas was awarded the MADD Community Award in 1998 and 1999 and was recipient of the Congressional Merit of Honor for his diligent work on combating drunk driving in 1998. He was also nominated for the Oxnard Police Officer of the Year Award in 2001 and 2002. In 2015, Commander Salinas was presented with the Chief’s Award of Excellence.

Commander Salinas is a graduate of the Sherman Block Supervisory Leadership Institute Class 273 and also attended the 253rd session of the F.B.I National Academy in Quantico, Virginia.  Commander Salinas has a Bachelor’s Degree in Criminal Justice Management and Master’s Degree in Public Administration from Cal- State Northridge.

Investigative Services Divisions


Major Crimes Unit

» Major Crimes Detail
» Crime Scene Investigations Detail
» Ballistics Detail
» Court Liason Detail

Family Protection / Property Crimes Unit

» Sexual Assault Detail
» Domestic Violence Detail
» Missing Persons Detail
» Victim Services Detail
» Burglary Detail
» Fraud Detail
» Crime Prevention Detail
» Pawn Shop Detail
» General Assignment Detail

Narcotice / Vice Unit

Ventura County Combined Action Team (VCAT)

Violent Crimes Unit

» Gang Investigations Detail
» Graffiti Investigations Detail
» Robbery Investigations Detail
» Violent Assualt Investigations Deatil

Crime Analysis Unit