In the week before the Las Vegas mass shooting, Stephen Paddock brought at least 21 suitcases to his room at the Mandalay Bay hotel as he gradually amassed 23 guns and thousands of rounds of ammo.
About NBC Nightly News
Watch "NBC Nightly News with Lester Holt," providing reports and analysis of the day's most newsworthy national and international events. See More
Check out more stuff on Yahoo View