Federal Bureau of Investigation
William Callaghan has extensive experience in law enforcement, serving nearly 32 years with the Federal Bureau of Investigation (FBI) from November 1986 to July 2018 as a Supervisory Special Agent. Currently, William Callaghan works as a Special Investigator - Contractor with the FBI, a position held since April 2019. William Callaghan holds a Bachelor of Science degree in Accounting, obtained from Lehman College between 1985 and 1988.
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