I don't believe the NSA should be giving data (or even just "tips") on citizens to LE. It's either illegal or done under a law I don't know about. Do you know what this is talking about?

>FISA surveillance was originally supposed to be used only in certain specific, authorized national security investigations, but information sharing rules implemented after 9/11 allows the NSA to hand over information to traditional domestic law-enforcement agencies, without any connection to terrorism or national security investigations.

https://www.eff.org/deeplinks/2013/08/dea-and-nsa-team-intel...