The FBI is looking for outside contractors to monitor social media for potential threats, setting up a possible conflict with Facebook and other companies over privacy. 

The FBI is soliciting proposals for a social media "early alerting tool" in order to identify possible threats while making sure that privacy and civil liberties considerations are taken into account.

For a closer look KCBS Radio's Stan Bunger and Susan Leigh Taylor spoke with Rachel Levinson-Waldman, Senior Counsel for the Brennan Center for Justice’s Liberty and National Security Program