For other uses, see Callahan (disambiguation)
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"Callahan is in Maui, and O'Reilly moved to New Orleans. And none of them know you quit."
Nandi Tyler to Misty Knight[src]

Callahan is a former member of the New York City Police Department.


Callahan worked at the police officer at the at the 29th Precinct Police Station in Harlem. However, Callahan eventually moved to Maui at the time of Captain Tom Ridenhour's death.[1]




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