TY - SER AU - Bloom, Robert TI - Small cells, big problems: the increasing precision of cell site location information and the need for fourth amendment protections SN - 0081-4169 U1 - BPer 364.05 PY - 2016/// CY - --Northwestern University PB - Northwestern University Press KW - Criminal law N2 - The past fifty years has witnessed an evolution in technology advancement in police surveillance. Today, one of the essential tools of police surveillance is something most Americans carry with them in their pockets every day, the cell phone. cell phones not only contain a huge repository of personal data, they also provide continuous surveillance of a person's movement known as cell site location information (CSLI) ER -