preliminary investigation
investigation department
İsim
to institute inquiries
Fiil
to institute an inquiry
Fiil
to institute investigation
Fiil
to be under investigation
Fiil
to be under examination
Fiil
to carry through an investigation
Fiil
to cause investigation to be made
Fiil
to cause investigations to be made
Fiil
to open a judicial inquiry
Fiil
to hold a judicial inquiry
Fiil
to set up an inquiry
Fiil
to make unofficial inquiries
Fiil
to make investigation on the spot
Fiil
to hold an official inquiry
Fiil