Bay County, Florida authorities arrested a woman they say robbed a taxi driver at gunpoint.
20-year-old Cecelia Knox of Callaway is charged with robbery with a firearm.
The taxi reportedly picked up Knox and dropped her off at her destination Wednesday night.
That's when authorities say Knox got out of the taxi, pulled the gun and demanded the driver's money and keys, and fled.
Investigators say a police dog was able to follow Knox's scent from the taxi to a residence where she was taken into custody.