The Rachel Maddow Show 10/03/17

Las Vegas gunman had 12 'bump fire' stocks to increase death toll

Authorities have recovered a total of 47 guns so far in their investigation of the Las Vegas shooter, including 12 outfitted with "bump fire" stocks to make the gun mimic automatic firing. NBC's Ken Dilanian talks with Joy-Ann Reid about the latest developments in the case. ... more Duration: {{video.duration.momentjs}}