This week, Ira spoke with FBI consultant and forensic psychologist Tahir Rahman, M.D., author (with Jeffrey Abugel) of "Extreme Overvalued Beliefs: Clinical and Forensic Psychiatric Dimensions." In this believable episode of “Ira’s Everything Bagel,” Tahir talks about why he decided to specialize in this work; how he developed a new and better classi-fication system for criminal behavior involving mass shootings, terrorism, etc.; why people have extreme overvalued beliefs; the cultural reinforcement of these beliefs; copycat behaviors; why he is an amateur historian; the thinking behind the behavior; binary simplistic thinking; learning about these behaviors; the role of media; coming up with solutions; how to evaluate a threat; establishing a probable cause; the role of substance abuse, grief, and financial losses; the underutilization of crisis response teams; who the book was written for; delusions vs. belief systems; and what he wants readers to take from his book. (Also Watch Full Podcast Video)