"investigative file" is a correct and usable phrase in written English.
It refers to a document or collection of documents that contain information and evidence related to an investigation. Example: The detective requested access to the investigative file in order to review all the evidence and witness statements collected by the police during the investigation.
The Virginia State Police reported that, although it had a copy of the paper, Virginia law prevented them from releasing the paper to the panel because it was part of the investigative file in an ongoing investigation.
She persisted only as a warm memory and an investigative file.
She filed a request under the Freedom of Information Act and received the investigative file.
In late November, an Albuquerque detective gave the state attorney general an investigative file that he said showed that Brandenburg had bribed and intimidated witnesses.
The pair had not known each other, and according to the investigative file, the handler introduced them, organizing for them to meet days before the attack.
Then Comey decided to turn over the FBI's investigative file to Congress, refusing to even consult with the State Department over what information should be redacted.
The N.F.L., he found, had failed to provide "the opportunity for Brady to examine one of two lead investigators" or "access to investigative files, including witness interview notes".
Further, investigators found in court and investigative files earlier this week that the boy had been known to hang out with a former soldier named John Allen Muhammad, also known as John Williams, law-enforcement officials said.
Berman also said Brady didn't have access to investigative files and did not get to examine a lead investigator.
Instead, the officials emphasized their hope that disclosing the videos and other materials from the investigative files would make people in Chicago more confident in the procedures for investigating police misconduct.
We reviewed their policies and practices, interviewed many current and former supervisors, investigators, and other members involved, and we reviewed hundreds of force and misconduct investigative files from an accountability standpoint.
