I don&#x27;t think it is in anyway limited:<p><a href="https:&#x2F;&#x2F;www.fbi.gov&#x2F;news&#x2F;testimony&#x2F;facilitating-an-enhanced-information-sharing-network" rel="nofollow">https:&#x2F;&#x2F;www.fbi.gov&#x2F;news&#x2F;testimony&#x2F;facilitating-an-enhanced-...</a><p>As to the point about selectors, if a selector has an even remotely domestic terrorism related component, and is authorized by the FISA court, the FBI can and does see that information.<p>Edit: added qualifier about terrorism