Evidence 1: He was a sheriff
Warrant 1: Allen Pinkerton's agency protected Abe Lincoln during his journey from Springfield to Washington in February 1861.
Warrant 2: Pinkerton agency continued to expand, it helped bring numbers of railway robbers to justice.
Warrant 3: The Pinkerton agency gravitated away from detective work and move toward security work. Pinkerton agency lives today in Swedish areas as a security company.