On April 1 , 1908 , the Bureau became the first in the United States to hire a female police officer , Lola Baldwin , who became the Superintendent of its newly created Womenâ s Protective Division . On April 1 , 1908 , the Bureau became the first in the United States to hire a female police officer , Lola Baldwin , who became the Superintendent of its newly established Womenâ s Protective Division .