Electronic trail key in Manchester explosion investigation02:02
Rukmini Callimachi, correspondent for The New York Times, talks with Rachel Maddow about the value of any electronic clues, from laptops and phones to social media, in helping investigators track down the actors and organizers in any terror attack.
Developments in three Mueller-related cases advance Trump scandal20:56
Manafort hid Russian intel-tied contacts, faces decades of prison10:56
Manafort lies related to Mueller probe's 'undisputed core': judge04:55
Two Trump attorneys accused of lying to federal ethics officials02:24
Trump undermines emergency declaration as soon as he makes it07:18
Emergency declaration could backfire, force Republican opposition08:08