ISIS attacks abroad and a series of deadly right-wing attacks in the U.S. have fueled a demand for more information on extremist networks. Understanding them is the first step in fighting them. But there has been little discussion about potential harm to the researchers tasked with looking deep inside the world's most dangerous movements. Stuart Kinlough/Ikon Images/Getty Images hide caption
Sometimes it can feel like there is a terrorist attack on the news every other week. But how much attention an attack receives has a lot to do with one factor: the religion of the perpetrator. David McNew/AFP/Getty Images hide caption
In his campaign, Trump criticized President Obama for his reluctance to use the words "radical Islamic extremism." The Trump administration may now want to refocus key programs on Muslim extremists. Kamran Jebreili/AP hide caption
Average Mohamed is using cartoons to counter the extremist message of groups like ISIS. Average Mohamed/YouTube hide caption
Muslims in India protest against ISIS following the Nov. 13 terrorist attacks in Paris. Biswaranjan Rout/AP hide caption