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Gavin G. McKinnon

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Blackstone's Police Investigators' Manual and Workbook 2015
Blackstone's Police Manuals: Four Volume Set
Blackstone's Police Manual Volume 4: General Police Duties
Blackstone's Police Manual Volume 4: General Police Duties
Blackstone's Police Manual Volume 2: Evidence and Procedure
Blackstone's Police Investigators' Manual and Workbook 2016
Blackstone's Police Manuals: Four Volume Set
Blackstone's Police Investigators' Manual 2016
Blackstone's Police Investigators' Manual and Workbook 2017
Blackstone's Police Manual Volume 4: General Police Duties 2017
Blackstone's Police Manuals: Four Volume Set
Blackstone's Police Investigators' Manual 2018
Blackstone's Police Manuals: Four Volume Set
Blackstone's Police Manual Volume 4: General Police Duties 2018
Blackstone's Police Investigators' Manual and Workbook

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