![Alexander Gardner | [President Abraham Lincoln, Major General John A. McClernand (right), and E. J. Allen (Allan Pinkerton, left), Chief of the Secret Service of the United States, at Secret Service Department, Alexander Gardner | [President Abraham Lincoln, Major General John A. McClernand (right), and E. J. Allen (Allan Pinkerton, left), Chief of the Secret Service of the United States, at Secret Service Department,](https://images.metmuseum.org/CRDImages/ph/original/DP285633.jpg)
Alexander Gardner | [President Abraham Lincoln, Major General John A. McClernand (right), and E. J. Allen (Allan Pinkerton, left), Chief of the Secret Service of the United States, at Secret Service Department,
![Allan Pinkerton, capo di McClellan's secret service, con i suoi uomini nelle vicinanze Cumberland sbarco, Virginia, 05/14/1862, campo di applicazione e il contenuto: Pinkerton è fumare una tubazione Foto stock - Alamy Allan Pinkerton, capo di McClellan's secret service, con i suoi uomini nelle vicinanze Cumberland sbarco, Virginia, 05/14/1862, campo di applicazione e il contenuto: Pinkerton è fumare una tubazione Foto stock - Alamy](https://c8.alamy.com/compit/dh2dkg/allan-pinkerton-capo-di-mcclellans-secret-service-con-i-suoi-uomini-nelle-vicinanze-cumberland-sbarco-virginia-05-14-1862-522914-dh2dkg.jpg)
Allan Pinkerton, capo di McClellan's secret service, con i suoi uomini nelle vicinanze Cumberland sbarco, Virginia, 05/14/1862, campo di applicazione e il contenuto: Pinkerton è fumare una tubazione Foto stock - Alamy
![LaMonica Garrett on X: "Badge Collector Fun Fact: The Pinkerton Agency were the original Secret Service... #DesignatedSurvivor MIKE RITTER #1883TV THOMAS https://t.co/yVazF9jwur" / X LaMonica Garrett on X: "Badge Collector Fun Fact: The Pinkerton Agency were the original Secret Service... #DesignatedSurvivor MIKE RITTER #1883TV THOMAS https://t.co/yVazF9jwur" / X](https://pbs.twimg.com/media/FNCngTmVEAIYL5L.jpg)
LaMonica Garrett on X: "Badge Collector Fun Fact: The Pinkerton Agency were the original Secret Service... #DesignatedSurvivor MIKE RITTER #1883TV THOMAS https://t.co/yVazF9jwur" / X
![Carlo Calenda on X: "RT @historydefined: President Lincoln is meeting with the head of the future secret service, Allan Pinkerton and General McClernand. 1862.…" / X Carlo Calenda on X: "RT @historydefined: President Lincoln is meeting with the head of the future secret service, Allan Pinkerton and General McClernand. 1862.…" / X](https://pbs.twimg.com/media/FpygAk6WYAEnkf0.jpg)
Carlo Calenda on X: "RT @historydefined: President Lincoln is meeting with the head of the future secret service, Allan Pinkerton and General McClernand. 1862.…" / X
![1946 CINQUE PAGINA Cartoon Story ~ Allan Pinkerton Primo Americana Detective EUR 23,79 - PicClick IT 1946 CINQUE PAGINA Cartoon Story ~ Allan Pinkerton Primo Americana Detective EUR 23,79 - PicClick IT](https://www.picclickimg.com/TssAAOSwMSNk9m94/1946-Cinque-Pagina-Cartoon-Story-Allan-Pinkerton.webp)
1946 CINQUE PAGINA Cartoon Story ~ Allan Pinkerton Primo Americana Detective EUR 23,79 - PicClick IT
![Allen Pinkerton at left + group at quarters of Secret Service Army of Potomac October 1862 - Digital Commonwealth Allen Pinkerton at left + group at quarters of Secret Service Army of Potomac October 1862 - Digital Commonwealth](https://bpldcassets.blob.core.windows.net/derivatives/images/commonwealth:rv043941n/image_access_800.jpg)
Allen Pinkerton at left + group at quarters of Secret Service Army of Potomac October 1862 - Digital Commonwealth
![Antietam, Maryland (vicinity). Maj. Allan Pinkerton, Secret Service Department and friends - PICRYL - Public Domain Media Search Engine Public Domain Search Antietam, Maryland (vicinity). Maj. Allan Pinkerton, Secret Service Department and friends - PICRYL - Public Domain Media Search Engine Public Domain Search](https://cdn4.picryl.com/photo/1862/01/01/antietam-maryland-vicinity-maj-allan-pinkerton-secret-service-department-and-1-1024.jpg)
Antietam, Maryland (vicinity). Maj. Allan Pinkerton, Secret Service Department and friends - PICRYL - Public Domain Media Search Engine Public Domain Search
![ALEXANDER GARDNER. [President Abraham Lincoln, Major General John A. McClernand (right), and E. J. Allen (Allan Pinkerton, left), Chief of the Secret Service of the United - Album alb3650844 ALEXANDER GARDNER. [President Abraham Lincoln, Major General John A. McClernand (right), and E. J. Allen (Allan Pinkerton, left), Chief of the Secret Service of the United - Album alb3650844](https://www.album-online.com/photos/prev/M2FiZTUxMA/album_alb3650844.jpg)