Criminal Investigator

Denisse Balseca Period. 7/8


Investigator, either a member of a police agency or a private person

  • Being prepared
  • Verify evidence by interviewing and observing suspects
  • Record evidence and documents
  • Search and collect evidence
  • Collect and record physical evidence


  • Law and Government-Knowledge of Laws
  • Public Safety and Security- Knowledge of equipment and laws
  • English Language- Knowledge of structure and and content
  • Education and training- Knowledge of principals and methods


  • Critical thinking
  • Active listening
  • Complex problem solving
  • Judgement and decision making
  • Coordination

Working Environment

  • Investigators generally work alone, but work with others while conducting surveillance or following a subject
  • Others spend more time in the field, conducting interviews or doing surveillance.
  • Some of the work involves dangerous and stressful situations
  • Private detectives and investigators often work irregular hours because they need to conduct surveillance and to contact people outside of normal work hours.


  • The salaries of crime scene investigators usually depend on how much education and experience they have obtained
  • Average salaries are usually between $25,000-55,000 a year
  • All crime scene investigators earn $76,440 a year


  • High school diploma
  • Some college or no degree
  • Associates degree

Job Outlook

  • Employment of private detectives and investigators is expected to grow 21 percent
  • Technological advances have led to an increase in cyber crimes, such as identity theft and spamming
  • Background checks will continue to be a source of work

Job Prospects

  • Competition is usually expected for many jobs like criminal investigators because they attract many qualified people and young retirees from law enforcement or military careers
  • People with related work experience, as well as those with interviewing and computer skills can find more opportunities