Investigation or Investigations may refer to:
Law enforcement
- Investigation, the work of a detective
- Investigation, the work of a private investigator
- Criminal investigation, the study of facts, used to identify, locate and prove the guilt of an accused criminal
- Criminal investigation department, the branch of British Police force to which plainclothes detectives belong
- Federal Bureau of Investigation, the primary investigative arm of the US Department of Justice
- Tax investigation
Medicine
- Clinical trial, an investigation conducted to collect data for new drugs or devices
- Investigational New Drug, a category in a USFDA program
- Outbreak Investigation
Science and maths
- Forensic science investigation, in fields such as accounting, science, engineering and information technology
- Investigations in Numbers, Data, and Space, a K-5 mathematics curriculum
Arts, entertainment, and media
Literature
- The Investigation, a 1959 book by Stanisław Lem
- The Investigation (play), a 1965 play by Peter Weiss
Television
- "Investigations" (Star Trek: Voyager), an episode of the television series Star Trek: Voyager
- Investigation (TV channel), a Canadian French-language specialty channel
- The Investigation (TV series), a 2020 six-part Danish TV series
- Investigation Discovery, a digital cable channel
Other uses in arts, entertainment, and media
- "Investigations", a 2009 song by Kevin MacLeod
- Investigate (magazine), a New Zealand current affairs magazine
- Investigation (film), a 2006 Bulgarian drama
- Investigative journalism, the practice of in-depth reporting or analysis
- Temporal Investigations, an agency of the government of the United Federation of Planets in the fictional universe of Star Trek
See also
- All pages with titles containing Investigation
- Background investigation, an investigation into an individual's past
- Congressional investigation, an inquiry run by a congressional committee
- Discovery (observation), the act of detecting something new, or something "old" that had been unrecognized as meaningful
- Examination (disambiguation)
- Forensic science, in fields such as accounting, science, engineering and information technology
- Investigator (disambiguation)
- Research
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