(NBC) -- They're calling her the smiling thief in Australia.
Security cameras captured the woman entering a gas station Sunday. The woman greeted the attedant then calmly strolled behind the counter.
While smiling, she threated the man with a knife, demanding he hand over the store's money. When the attendant resisted, she yelled and lunged at him.
He was then forced to open the cash register.
The woman then stole a small amount of cash and fled.