Detective's assignment (4)
I believe the answer is:
case
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">detective's assignment</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for case that I've seen before include "Cover" , "Instance - container" , "Piece of luggage and a lawyer's proceeding" , "Instance - lawsuit" , "Carefully inspect < suit" .)