Title: The Pinkertons
Content: Martha MacIsaac, as Kate Warne, a Pinkerton agent and the first female detective in US history. ; Jacob Blair, as William Pinkerton, the founder's son and also, a Pinkerton agent. 
Title: Private investigator
Content:  United States, Allan Pinkerton established the Pinkerton National Detective Agency – a private detective agency – in 1850. Pinkerton became famous when he foiled a plot to assassinate then President-elect Abraham Lincoln in 1861. Pinkerton's agents performed services which ranged from undercover investigations and detection of crimes, to plant protection and armed security. At the height of its existence, the number of Pinkerton National Detective Agency active agents and reserves rivaled the number of active soldiers and reserves in the United States Army. Allan Pinkerton hired Kate Warne in 1856 as a private detective, making her the first female private detective in America. During the union 
Title: Pinkerton (detective agency)
Content:  Pinkerton, founded as the Pinkerton National Detective Agency, is a private security guard and detective agency established in the United States by Scotsman Allan Pinkerton in the 1850s and currently a subsidiary of Securitas AB. Pinkerton became famous when he claimed to have foiled a plot to assassinate president-elect Abraham Lincoln, who later hired Pinkerton agents for his personal security during the Civil War. Pinkerton's agents performed services ranging from security guarding to private military contracting work. The Pinkerton National Detective Agency hired women and minorities from its founding, a practice uncommon at the time. Pinkerton was the largest private law enforcement organization in the world at the height of its power. During the labor strikes of the late 19th, 20th and 21st centuries, businessmen hired the Pinkerton Agency to infiltrate unions, supply guards, keep strikers and suspected unionists out of factories, and recruit goon squads 
Title: Kate Warne
Content:  Kate Warne (1833 – January 28, 1868) was an American law enforcement officer known as the first female detective, in 1856, in the Pinkerton Detective Agency and the United States.
Title: Allan Pinkerton
Content:  notorious Banditti of the Prairie. After observing their movements for some time he informed the local sheriff, who arrested them. This later led to Pinkerton being appointed, in 1849, as the first police detective in Chicago, Cook County, Illinois. In 1850, he partnered with Chicago attorney Edward Rucker in forming the North-Western Police Agency, which later became Pinkerton & Co, and finally Pinkerton National Detective Agency, still in existence today as Pinkerton Consulting and Investigations, a subsidiary of Securitas AB. Pinkerton's business insignia was a wide open eye with the caption "We never sleep." As the US expanded in territory, rail transport 
Title: Erin, New York
Content: Kate Warne, Pinkerton detective and first, female detective in the United States 
Title: Pamela B. Green
Content:  feature new material never before seen in the documentary. Green has also developed Aces Never Sleep, a female-driven detective series, with Jamie Wolf's Foothill Productions and former CAA agent John Ptak, and they are in talks with different financiers. The series takes place during a pandemic, social unrest, economic crisis, racism and a polarized America. Kate Warn and her team of lady operatives are behind the true origins of the Pinkerton Detective Agency, founded by fervent abolitionist Allan Pinkerton. Historical figures appear throughout the series, including Frederick Douglass and Abraham Lincoln, notably when the agency's most valued Ace Kate Warn and fellow detectives thwart an assassination attempt on the President-Elect.
Title: Kate Warne
Content:  the meantime, she also continually coordinated Pinkerton's other female detectives in the agency. Pinkerton rented a space for Warne to work as part of her guise. Allan Pinkerton named Kate Warne one of the five best detectives that he had. Her employment by Pinkerton was a significant moment in Women's History. Women were not allowed to be a part of the police force until 1891 and could not be officers until 1910. Pinkerton specifically thanked Kate Warne and Timothy Webster in his memoirs. Both Warne and Webster were key operatives during the Baltimore Plot investigations. Warne reported back to Pinkerton about all her work 
Title: Mignon G. Eberhart
Content:  with some of the earliest work of Anna Katharine Green and was brought to its height by Mary Roberts Rinehart in the early 20th century. There had been many female sleuths featured in short stories previously, and Rinehart had introduced her own nurse-detective, Hilda Adams, aka "Miss Pinkerton," in the second decade of the 20th century. But in 1929, when Eberhart introduced Sarah Keate, it was still relatively rare to have a female lead in novel-length "straight detective stories". The year after Eberhart's first novel was published, Agatha Christie wrote the first novel featuring her female detective, Jane Marple, who had previously appeared in short stories collected as "The Tuesday Club Murders". 
Title: Kate Warne
Content:  Pinkerton company records, he further described her acquaintance: "[he] was surprised to learn Kate was not looking for clerical work, but was actually answering an advertisement for detectives he had placed in a Chicago newspaper. At the time, such a concept was almost unheard of. Pinkerton said 'It is not the custom to employ women detectives!' Kate argued her point of view eloquently – pointing out that women could be 'most useful in worming out secrets in many places which would be impossible for a male detective.' A Woman would be able to befriend the wives and girlfriends of suspected criminals and gain their confidence. Men become braggarts when they are around women who encourage them to boast. Kate also noted, Women have 

Question: who was the pinkerton detective agency's first female detective?
Answer: Kate Warne.