[MHGinTN]

Giving even the smallest hint that the smoking gun has been found gets people like Fuddy killed, to lop off any loose ends before trials start.

[American Constitutionalist]

And ? giving hints that " soon " earth shattering evidence will be revealed will cause Obama's people to slip up, divulge information in which otherwise they would not.
Police investigators know how to ask certain questions and are experts in doing this in a criminal investigation when asking certain questions to throw the liars off.