Were Peter King a less frivolous public official, he might have focused his hearings on the questions Adam Serwer asks about domestic radicalization. On the list:
The process of radicalization. Many law-enforcement agencies have been reliant on a theory of radicalization that often conflates the danger of radicalism with Muslim religiosity. The Brennan Center's Faiza Patel has written a report, Rethinking Radicalization, provides evidence from social scientists and Britain's MI5 that this understanding of how the radicalization process works is outdated and is hampering the government's effort to identify real security threats.