Bestselling true-crime author Michael Arntfield spent more than fifteen years as a police officer and detective in Canada before going on to become a globally noted homicide scholar and criminologist, including a year spent as a visiting professor at Vanderbilt University in Nashville. There, he met retired Metro Nashville detective sergeant Pat Postiglione, and the vision for Monster City took shape. An industry-leading consultant on crime trends and emerging forensic methodologies, Arntfield is the author of more than a dozen books, including Mad City; he has also been a staple of international television for years as a frequent guest and host of multiple true-crime series, while he remains a professor of criminology at Western University in Canada. He lives with his family, who split their time between Canada and Florida. For more about the author, visit his website, http://michaelarntfield.com.