The phrase "additional investigative" is correct and usable in written English.
It can be used when referring to further inquiries or examinations that are supplementary to existing investigations.
Example: "The report recommended additional investigative measures to ensure all aspects of the case were thoroughly examined."
Alternatives: "further investigative" or "supplementary investigative".
But after hours of questioning Mr. Moore, and additional investigative work, investigators yesterday afternoon began to doubt that he was the person who had shot Captain Girven, several police officials said.
Once an OOS investigation is concluded, the results of the OOS investigation may determine if new or additional investigative or study work will need to be completed.
He said: "This is a very substantial report which we will link into what is already known by previous police investigations, to see if there are any additional investigative inquiries that are required.
Findings relating the involvement of SE in frontal-parietal and frontal-subcortical networks [ 10- 12] would show consistency with other investigations using TI tests [ 2, 6] and offer an additional investigative tool for understanding complex learning as well as the role of the hippocampus.
"Not only did the grand jury review limited cases between 2007 and 2010, it wholly disregards key steps A.C.S. has taken over the past seven years, including the addition of more preventive services for children with special medical needs, hiring additional investigative consultants, and reducing our caseloads to among the lowest in the country".
It allows local governments to call curfews and give the police additional investigative powers.
Last year, Johnson gave additional criminal investigative authority to the internal affairs office, but it has not hired investigators quickly enough, the report says.
In addition the switch to Trenton will allow Mr. Holl to draw on additional legal and investigative personnel on Mr. Del Tufo's staff.
The force said that the fraud investigation, which involved 20 detectives and police staff, had "not identified sufficient additional evidence or investigative opportunities to enable the Met to request the Crown Prosecution Service (CPS) to consider the charging of any individual in relation to offences of electoral fraud and malpractice arising from the 2014 mayoral election".
Regarding initial disavowal of the higher figure by the Police Department, a department spokeswoman, Deputy Inspector Kim Royster, said that the lower figure was based on a preliminary investigation and that "further investigative steps revealed additional funds were involved".
The F.B.I. has told the committee that it wants to turn over an additional 500 pages of investigative documents not provided previously despite the committee's request for all relevant material when it began the review in April 2009.
