January 1, 2010
![Tulsa, Oklahoma, was once known as “the oil capital of the world.” Its police department’s patch, in the shape of a yield sign, includes a representation of the city’s skyline.](https://leb.fbi.gov/image-repository/tulsa-oklahoma-police-departments.jpg/@@images/image/large)
Tulsa, Oklahoma was once known as “the oil capital of the world.” Its police department’s patch, in the shape of a yield sign, includes a representation of the city’s skyline.
Tulsa, Oklahoma was once known as “the oil capital of the world.” Its police department’s patch, in the shape of a yield sign, includes a representation of the city’s skyline.