Michael Andrew Arntfield PhD. is a Canadian academic, author, criminologist, true crime broadcaster and podcaster, a professor at the University of Western Ontario, and a Fulbright scholar. He is also a workplace violence harassment consultant, threat assessor, and former police officer. From 1999 to 2014, he was employed with the London Police Service as a Police Officer and Detective. In 2014, he left policing to accept a customized academic appointment at the University of Western Ontario.