"... Two clerks were in the store, not just one. Lima-Marin and Clifton brought them both into a back room, forcing one onto the floor and the other to open the safe. “They put a gun to the back of my head and said, ‘This is where you’re going to die,’” one of the employees, Shane Ashurst, later recalled."
https://www.themarshallproject.org/2015/04/07/unfreed
A bit more than simply asking them to move to another room.