Name: Motive in Las Vegas massacre eludes investigators
Uploaded: Tue Oct 03 2017 10:20:24 GMT+0000 (UTC)
Duration: 2 min 51 s
Description: NBC News' Chris Jansing has the latest details in the investigation into why suspected Las Vegas shooter Stephen Paddock carried out the largest massacre in U.S. history.

Oct. 3, 201702:51