The Rachel Maddow Show 11/16/15

Bomb maker sought via clues in exploded vests of Paris attackers

Malcolm Nance, former U.S. counter-terrorism and intelligence officer, talks with Rachel Maddow and Richard Engel about the particular explosive used in the vests of the Paris terrorists and what the forensics of that explosive can tell investigators who hope to trace the evidence to the maker. ... more Duration: {{video.duration.momentjs}}