investigation
/ɪnˌvɛstəˈɡeɪʃən/
The act of investigating; the process of inquiring into or following up; research, especially patient or thorough inquiry or examination
Despite thorough investigation, the perpetrator of the attacks remains unknown.
/ɪnˌvɛstəˈɡeɪʃən/
The act of investigating; the process of inquiring into or following up; research, especially patient or thorough inquiry or examination
Despite thorough investigation, the perpetrator of the attacks remains unknown.