premise: On one of his 1921 ventures he was actually come upon by a Detective Sergeant John J. Ryan down on his knees with a tool embedded in a labour office safe in the Postal Telegraph Building ; the jury wanted better <mask> than that and he was acquitted , at a cost of $ 30000 in bribes , it was estimated .
hypothesis: the proper context for <mask> here should be (law) all the means by which any alleged matter of fact whose truth is investigated at judicial trial is established or disproved