“The First Circuit has instructed that Exemption 7(A) leaves ‘no room for judicial balancing’ and if the court concludes the requested documents were compiled for law enforcement purposes, ‘the inherent nature of the requested documents is irrelevant to the question of exemption,'” stated Judge Denise J. Casper citing Curran v. Dep’t of Just. “The key inquiry, therefore, ‘becomes whether revelation of the data will tend to obstruct, impede, or hinder enforcement proceedings.'”