An armed robbery at O' Reilly Auto Parts in Chattanooga has some employees there questioning if they will come back to work.
Police say three black men walked into thestore Friday night and demanded money.
According to witnesses, they held two employees and a customer up at gunpoint.
An employee tells us one suspect was shaking so much, he was afraid the gun was going to off.
More than $200, a wallet, and a cell phone was stolen.
If you have any tips, you are asked to call Chattanooga Police.