In fact, depending how such surveillance is carried out, analyzing telephone metadata could allow agencies to infer Americans' medical diag**ses and firearm purchases, the study found.*
The research, published on Monday in the journal*Proceedings of the National Academy of Sciences, calls into question the Obama administration's argument that metadata surveillance, which is currently carried out by the National Security Agency (NSA), does **t infringe upon Americans' rights to privacy, since it does **t include call contents.* Read more...