Police officer exam / Donald J. Schroeder, Ph.D., Adjunct Professor, John Jay College of Criminal Justice, senior instructor, REMS Tutorial, exam preparation specialists, former Commanding Officer, 81st Police Precinct, New York City Police Department, Frank A. Lombardo, Deputy Inspector (retired), New York City Police Department, Adjunct Professor, John Jay College of Criminal Justice, former Commanding Officer, 30th Police Precinct, New York City Police Department.
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