In saying that there was no problem with “Islamist terrorism” before 1948, Carlson is making the claim that modern-day jihad violence against the U.S. is because of Israel.

American passport holder Osama al-Zebda who died fighting for Hamas was on the U.S. terror watch list.

Organizations such as ISIS and al-Qaeda use social media to recruit, pass messages to operatives and create a buzz around their activities.