Popular Careers

Career Development

Career development resources for aspiring professionals.

Career Change Center

Career change guides, tutorials and resources for professionals in transition.

Job Search Resources

Job search resources, websites, guides and directories for job seekers.

Career and Education Opportunities for Criminal Investigators in Ontario, California

There are many career and education opportunities for criminal investigators in the Ontario, California area. There are currently 11,300 jobs for criminal investigators in California and this is projected to grow by 27% to 14,300 jobs by 2016. This is better than the national trend for criminal investigators, which sees this job pool growing by about 16.6% over the next eight years. Criminal investigators generally investigate alleged or suspected criminal violations of Federal, state, or local laws to determine if evidence is sufficient to recommend prosecution.

A person working as a criminal investigator can expect to earn about $37 per hour or $78,170 annually on average in California and about $29 hourly or $60,910 yearly on average in the U.S. as a whole. Incomes for criminal investigators are better than in the overall category of Police and Security in California, and better than the overall Police and Security category nationally. People working as criminal investigators can fill a number of jobs, such as: police officer, police detective, and border police.

The Ontario area is home to twenty-two schools of higher education, including two within twenty-five miles of Ontario where you can get a degree as a criminal investigator. Criminal investigators usually hold a Bachelor's degree, so it will take about four years to learn to be a criminal investigator if you already have a high school diploma.

CAREER DESCRIPTION: Criminal Investigator

In general, criminal investigators investigate alleged or suspected criminal violations of Federal, state, or local laws to determine if evidence is sufficient to recommend prosecution.

Criminal investigators obtain and verify evidence by interviewing and observing suspects and witnesses or by analyzing records. They also collaborate with other offices and agencies to share data and direct efforts. Equally important, criminal investigators have to record evidence and documents, using equipment such as cameras and photocopy machines. They are often called upon to testify before grand juries concerning criminal activity investigations. They are expected to ready reports that detail investigation findings. Finally, criminal investigators identify case issues and evidence needed, on the basis of analysis of charges or allegations of law violations.

Every day, criminal investigators are expected to be able to piece together evidence to, in some sense, diagnose what is going on in a situation. They need to articulate ideas and problems. It is also important that they evaluate problems as they arise.

It is important for criminal investigators to analyze evidence in laboratories or in the field. They are often called upon to serve subpoenas or other official papers. They also investigate organized crime, public corruption, financial crime, copyright infringement, civil rights violations and other violations of federal or state statutes. They are sometimes expected to design relationships with informants to obtain data pertaining to cases. Somewhat less frequently, criminal investigators are also expected to obtain and use search and arrest warrants.

Criminal investigators sometimes are asked to furnish protection for individuals, such as government leaders and visiting foreign dignitaries. They also have to be able to administer counterterrorism and counternarcotics reward programs And finally, they sometimes have to furnish protection for individuals, such as government leaders and visiting foreign dignitaries.

Like many other jobs, criminal investigators must have exceptional integrity and have strong self control in the face of challenging situations.

Similar jobs with educational opportunities in Ontario include:

  • Bailiff. Maintain order in courts of law.
  • Chief of Police. Supervise and coordinate activities of members of police force.
  • Correctional Officer. Guard inmates in penal or rehabilitative institution in accordance with established regulations and procedures. May guard prisoners in transit between jail, courtroom, or other point. Includes deputy sheriffs and police who spend the majority of their time guarding prisoners in correctional institutions.
  • Customs Inspector. Investigate and inspect persons, common carriers, and merchandise, arriving in or departing from the United States or between states to detect violations of immigration and customs laws and regulations.
  • Fire Code Inspector. Inspect buildings and equipment to detect fire hazards and enforce state and local regulations.
  • Fire Inspector. Conduct investigations to determine causes of fires and explosions.
  • Forest Fire Lookout. Enforce fire regulations and inspect for forest fire hazards. Report forest fires and weather conditions.
  • Police Officer. Conduct investigations to prevent crimes or solve criminal cases.
  • Police Records Officer. Collect evidence at crime scenes, classify and identify fingerprints, and photograph evidence for use in criminal and civil cases.
  • Policeman. Patrol assigned areas to enforce laws and ordinances, regulate traffic, and arrest violators.
  • Private Investigator. Detect occurrences of unlawful acts or infractions of rules in private establishment, or seek, examine, and compile information for client.
  • Security Guard. Guard, patrol, or monitor premises to prevent theft, violence, or infractions of rules.
  • Sheriff. Enforce law and order in rural or unincorporated districts or serve legal processes of courts. May patrol courthouse, guard court or grand jury, or escort defendants.
  • Transportation Security Officer. Inspect baggage or cargo and screen passengers to detect and prevent potentially dangerous objects from being transported into secure areas or onto aircraft.

EDUCATIONAL OPPORTUNITIES: Criminal Investigator Training

Chaffey College - Rancho Cucamonga, CA

Chaffey College, 5885 Haven Ave, Rancho Cucamonga, CA 91737-3002. Chaffey College is a large college located in Rancho Cucamonga, California. It is a public school with primarily 2-year programs and has 20,486 students. Chaffey College has less than one year, associate's degree, and two to four year programs in Criminal Justice/Police Science which graduated three, five, and zero students respectively in 2008.

Barstow Community College - Barstow, CA

Barstow Community College, 2700 Barstow Road, Barstow, CA 92311. Barstow Community College is a small college located in Barstow, California. It is a public school with primarily 2-year programs and has 2,318 students. Barstow Community College has a less than one year and an associate's degree program in Criminal Justice/Police Science which graduated two and twenty-eight students respectively in 2008.


Certified Medical Investigator: The spectrum of professions involved in forensic investigation has broadened dramatically over the past 20 years.

For more information, see the American College of Forensic Examiners website.

Certified Corrections Manager - Security Threat Groups: Individuals who head a Security Threat Group (STG) program in an adult or juvenile corrections facility, contribute to the development of agency policies/procedures pertaining to STGs, and are involved in the implementation of these policies/procedures.

For more information, see the American Correctional Association website.

Certified Fraud Examiner: The ACFE established and administers the Certified Fraud Examiner (CFE) designation.

For more information, see the Association of Certified Fraud Examiners website.

Computer Forensics: The primary goals we have for our certification programs are to both assist law enforcement and organizations requiring highly skilled investigators in the identification of highly skilled individuals, and to promote the training and education efforts within the computer investigation, computer forensic and computer security industries.

For more information, see the Cyber Enforcement Resources Incorporated website.

Certified Cyber-Crime Expert: High-profile cases of corporate malfeasance and increased attention paid to cybercrime and cyberterrorism have elevated electronic evidence discovery to an indispensable component of any organization's security plan.

For more information, see the E-Business Process Solutions website.


Ontario, California
Ontario, California photo by Sfan00_IMG

Ontario is situated in San Bernardino County, California. It has a population of over 171,691, which has grown by 8.7% over the last ten years. The cost of living index in Ontario, 127, is far greater than the national average. New single-family homes in Ontario are priced at $164,100 on average, which is far less than the state average. In 2008, eight new homes were constructed in Ontario, down from three hundred seven the previous year.

The three most popular industries for women in Ontario are health care, educational services, and accommodation and food services. For men, it is construction, administrative and support and waste management services, and accommodation and food services. The average commute to work is about 31 minutes. More than 10.5% of Ontario residents have a bachelor's degree, which is lower than the state average. The percentage of residents with a graduate degree, 2.7%, is lower than the state average.

The unemployment rate in Ontario is 14.9%, which is greater than California's average of 12.3%.

The percentage of Ontario residents that are affiliated with a religious congregation, 42.0%, is less than both the national and state average. Kingdom Hall of Jehovahs Witnesses, Country Church of Ontario and Grace Missionary Baptist Church are all churches located in Ontario. The most prominent religious groups are the Catholic Church, the Southern Baptist Convention and the LDS (Mormon) Church.

Ontario is home to the Ontario Motor Speedway and the West End Multi-Service Center as well as Del Rancho Park and Unity Park. Shopping malls in the area include Galvin Park Shopping Center, Vineyard Freeway Shopping Center and Ontario Vineyard Marketplace Shopping Center. Visitors to Ontario can choose from Best Western Ontario, Best Western Ontario Airport and Amerisuites Ontario Mills for temporary stays in the area.