The most active and lethal political violence in the U.S. comes from the far-right. But scholars who study terrorism are struggling to apply meaningful labels to the groups which pose threats.

YouTube's new policy intended to remove hateful speech from its platform has been effective, but it is also having unintended consequences.

Lawmakers on Capitol Hill are pushing the federal government to detail its plans to fight white supremacy and other far-right extremism. Details are scarce, but here's what we know so far.

YouTube announced Wednesday that it is removing thousands of videos from its platform that promote white supremacy and other hateful material.

A House hearing will demand answers from FBI and Homeland Security officials on why the White House has failed to acknowledge that far-right violence is now the deadliest form of domestic extremism.

Bias-motivated crimes are rising, but few police departments are trained to identify them. A group of prosecutors is traveling from city to city, warning officers that ignoring hate crimes is risky.

John Walker Lindh will be set free from prison after serving 17 years of a 20-year sentence. His release tests how the government will deal with extremists who have served their time.

The nonprofit Muslim Advocates, along with the three Muslims in Congress, held an iftar, the breaking of the daily fast during the Islamic holy month of Ramadan at the U.S. Capitol on Monday night.

A former U.S. diplomat, Patrick Syring, sent threatening emails to members of the Arab American Institute for more than a decade. On Thursday, he was found guilty of seven federal hate crime charges.

The group's news agency posted video Tuesday that purports to show the attackers. Sri Lanka's government is being criticized for not preventing the bombings, despite getting prior intelligence.

Omar Barghouti is one of the founders of a Palestinian-led boycott movement intended to pressure Israel on its occupation of the West Bank. His visa to enter the U.S. has apparently been revoked.

Tuesday's House Judiciary Committee hearing on hate crimes and the growth of white nationalism was overtaken by partisan discord over what and who is responsible.