Criminal Investigator conducts investigations of criminal cases. Analyzes collected data or evidence and prepares documentation for legal action. Being a Criminal Investigator conducts surveillance and interviews witnesses. Interfaces with various law enforcement agencies. Additionally, Criminal Investigator often requires prior experience working in or closely with law enforecement. May require a bachelor's degree or equivalent. Typically reports to a supervisor or manager. Criminal Investigator's years of experience requirement may be unspecified. Certification and/or licensing in the position's specialty is the main requirement.