Investigation

Investigation or Investigations may refer to:

In law enforcement:

• The work of a Private investigator
• The work of a Detective
• Federal Bureau of Investigation, the primary investigative arm of the US Department of Justice
• Criminal Investigation Department, the branch of British Police force to which plain clothes detectives belong
• Griffin Investigations, the most prominent group of private investigators specializing in the gambling industry

In medicine:

• Clinical trial, an investigation conducted to collect data for new drugs or devices
• Investigational New Drug, category in a USFDA program
• Tests and scans done to help with the diagnosis or management of a disease

In other uses:

• Forensic science, in fields such as accounting, science, engineering and information technology
• Investigation (film), a 2006 Bulgarian drama
• The Investigation, 1959 book by Stanisław Lem
• The Investigation (play), 1965 play by Peter Weiss
• Investigation Discovery, a digital cable channel
• Investigative journalism, the practice of in-depth reporting or analysis
• "Investigations" (Star Trek: Voyager), the 36th episode of the television series Star Trek: Voyager
• Investigations in Numbers, Data, and Space, a K-5 mathematics curriculum
• Temporal Investigations, agency of the government of the United Federation of Planets in the fictional universe of Star Trek

Investigation may also be:

• Discovery (observation)
• Research