Counterintelligence investigation of Trump poses unique challenge04:19
David Laufman, former chief of the DOJ's counterintelligence and export control section, talks with Rachel Maddow about how an FBI counterintelligence investigation works and what changes would have to be made to accommodate an investigation of a sitting president.
Stone takes swipe at judge, promptly files 'notice of apology'10:48
Barr may undo security of Mueller from possible compromised Trump11:16
Democrats ready to charge across Trump's red line with new probes08:08
Extent of election fraud in contested House race seen at hearing07:13
Trump's dubious emergency declaration sparks nationwide protests02:14
Developments in three Mueller-related cases advance Trump scandal20:56