ISIS is again in the spotlight, after the Islamic State claimed responsibility for the attacks in Brussels this week. But there is a growing school of thought that the terrorism problem in Europe should be viewed as an extension of criminal networks, which might not have anything to do with ISIS or ideology.
Journalist Joshua Hersh has been in the neighborhoods where the plots for the Paris and Brussels attacks were brewed and wrote about it for the New Republic.
Here & Now's Meghna Chakrabarti speaks with him about Europe's homegrown terrorism problem.
This segment aired on March 25, 2016.