They investigate insurance fraud involving arson, and more recently, potential terrorism. The NTSB does not investigate criminal activity. It generated not only some tips but suggestions for how to investigate further. The courts were not allowed to investigate or interfere. Following the credits, the police investigate her death. Valchek demands a detail to investigate Sobotka. He asked them to "diligently investigate accusations". This allows the company to promptly investigate and address solvable issues. Gennat reorganized much of the structure of how to investigate homicide. Ordinarily it could not investigate the internal affairs of another country. That's something for the FBI to investigate. There, support units investigate for their own detachments, and smaller municipal police forces. The regional office will investigate the complaint. Wadsworth reveals he is an undercover FBI agent sent to investigate her. To progress, the player must investigate frightening events and solve cryptic puzzles.