Des Moines Police are looking for a man they say robbed a Git N Go overnight.
Police were called to 2140 E. Park Avenue just after midnight Monday morning.
The clerk there reported a black man with a black ski mask told her he had a gun and would shoot her.
The clerk did not see a gun, but did see a knife.
The man left on foot with an undisclosed amount of money.
Police brought in the unit and were able to track the suspect to the 2100 block of Evergreen, but lost the trail there.
Police were not able to say if the Git N Go has security cameras.