"I have never seen such a comprehensive guide . . . this is a 'must have' for anyone who conducts investigations on companies, their officers, and any entity connected to them."
Jimmie Mesis,
Editor-in-Chief
PI Magazine

"Just when you thought there was nothing new to learn, Hetherington has created the most concise investigative guide to business intelligence.”
William J Majeski
Editor
Corporate Investigations 2nd ed.

“the book” to use for brushing up on investigating a business whether you are looking at a merger, executive backgrounds or due diligence."
Bill Asher
www.PIAVA.wordpress.com

"Recommended . . . . "
Robert D. McCrie
Security Letter