Detectives have released CCTV images of a man who may have witnessed an armed hold-up in Maitland.
A woman armed with a knife entered a service station on Les Darcy Drive at around midnight on Saturday, October 29 and threatened a staff member before demanding cash and cigarettes.
The employee handed over money and cigarettes before the woman took off.
Police are hoping to speak to a man who was in the service station at the time of the robbery.
He's aged in his 30s, about 170cm-175cm tall, with a slim build, brown hair with a receding hairline, and a beard.
While the thief is described as a Caucasian woman, around 165cm tall with a medium build.
She was last seen in a black hoodie, black shorts with white trim, white sneakers and she was carrying a brown pillow case.
An image of a car seen in the area at the time has also been released.
It's a two-door, white Hyundai Excel with a centre exhaust and distinct dark circles on the bumper on each side of the exhaust.
Anyone with info is urged to contact Crime Stoppers on 1800 333 000.