The case against him is 'circumstantial'.
a 'circumstantial' account of the meeting
The evidence is purely 'circumstantial'.
(..) Coerced confessions. Testimony buried. Ifyou have all this, why do you need me? Because this is circumstantial. You have the crimes, but you can't physically tie them to Cameron. He's a dirty public servant. And I think it's why you left. Your record was too good (..)2011 TvShow: Suits Title: Rules of the Game Season: 1 Episode 11