In terms of sheer number of incidents, Christians hold by far the no. 1 spot for terrorist activity. Even Jews have commited more incidents of terrorism in the US since 1980 than Muslims. Muslims have killed more, but only because of 9/11.
"So here are some statistics for those interested. Let’s start with Europe. Want to guess what percent of the terrorist attacks there were committed by Muslims over the past five years? Wrong. That is, unless you said
less than 2 percent."
Are All Terrorists Muslims It s Not Even Close - The Daily Beast
"An FBI report shows that only a small percentage of terrorist attacks carried out on U.S. soil between 1980 and 2005 were perpetrated by Muslims...
...Terrorist Attacks on U.S. Soil by Group, From 1980 to 2005, According to FBI Database
According to this data, there were more Jewish acts of terrorism within the United States than Islamic (7% vs 6%). These radical Jews committed acts of terrorism in the name of their religion. These were not terrorists who happened to be Jews; rather, they were extremist Jews who committed acts of terrorism based on their religious passions, just like Al-Qaeda and company."
Non-Muslims Carried Out More than 90 of All Terrorist Attacks on U.S. Soil Washington s Blog
Quit relying on Fox News, as the first link's author said, "It's only make people dumber."