in a briefing, prior to an in-depth study of the implementation of the Bail Reform Act of 1984.
The briefing was held on a Saturday in a cold function room at the Hilton Hotel. 
mnli hypothesis: The briefing was held on a Saturday in a cold function room at the Hilton Hotel.  premise: in a briefing, prior to an in-depth study of the implementation of the Bail Reform Act of 1984.