domestic terrorism

Updated at 4:48 p.m. ET

The FBI has opened a domestic terrorism investigation into last month's mass shooting at the Gilroy Garlic Festival in California, after discovering that the shooter had a list that may have indicated potential targets of violence.

ADL Florida Region

The Center on Extremism at the Anti-Defamation League tracks hate crimes and extremism in the U.S. and abroad.

The FBI is investigating some 850 cases of domestic terrorism and considers it serious and persistent threat, the FBI's Michael McGarrity told the House Committee on Homeland Security on Wednesday.

McGarrity and his fellow national security officials then went on to explain to committee members why the U.S. doesn't have an explicit law allowing the federal government to criminally charge extremists with domestic terrorism.

A Florida man accused of mailing pipe bombs to a number of prominent Democrats and Trump critics, as well as CNN, has pleaded guilty before a federal judge in New York.

A U.S. Coast Guard lieutenant was arraigned Monday on gun and drug charges in a case authorities say linked him to a plot to killed several prominent Democrats and broadcast journalists.

Christopher Hasson, 49, pleaded not guilty to charges of illegal possession of firearm silencers, possession of firearms by a drug addict and unlawful user, and possession of a controlled substance.

Editor's note: This story contains language that may be offensive to some readers.

Updated at 2:55 p.m. ET

A 49-year-old Coast Guard lieutenant charged with stockpiling weapons and drugs is being described as a "domestic terrorist" who was planning "to murder innocent civilians on a scale rarely seen in this country," according to court documents filed in U.S. District Court in Maryland on Tuesday.

Katie Lepri / WLRN

Hundreds of people gathered at the Miami Beach Holocaust Memorial Tuesday evening to remember the lives of the 11 worshipers massacred at a Jewish synagogue in Pittsburgh over the weekend.

Three men are in custody, charged in three separate cases of domestic extremism last week.

Two were deadly shootings — one at a synagogue in Pittsburgh, Pa., the other at a grocery store in Louisville, Ky. — and the third involved explosives sent through the mail from Florida.

The suspects fit a pattern well-established in recent years: troubled, American-born men who appeared to be acting alone and driven by hate.

The son of a Boston police captain was sentenced Wednesday to 20 years in prison for an ISIS-inspired terrorist plot — three years after his father tipped off federal law enforcement.

Alexander Ciccolo, 26, went by the name Ali Al Amriki. His father, Robert Ciccolo, noted his son's admiration of the terrorist group and alerted the FBI.

Updated at 6 p.m. ET

Seddique Mateen, the father of the man behind the 2016 Pulse nightclub massacre, worked with the FBI as a confidential informant for more than a decade leading right up to the shooting, according to attorneys for the shooter's widow.

Over the past three weeks, Austin watched in horror as a methodical madman detonated one shrapnel bomb after another in this seeming laid-back oasis. An unemployed 23-year-old loner killed two people and injured four others, before blowing himself up early the morning of March 21 as police closed in.

As an army of federal investigators packed up and left town, the city's quirky civic slogan, "Keep Austin Weird," took a blow.

Riot police descended in downtown Portland, Ore., Sunday to bring calm among thousands of demonstrators who converged for competing rallies in the wake of the racially charged stabbing that claimed the lives of two men.

Updated 7:10 p.m. ET

The mayor of Portland is calling for the cancellation of two right-wing rallies and marches scheduled for the next few weeks, given a recent stabbing in the city by a suspect who police say has expressed "extremist ideology."

Mayor Ted Wheeler has asked the organizers to cancel the events voluntarily while also urging the federal government to block the protests.

The ACLU of Oregon has responded on Twitter, saying in part, "The government cannot revoke or deny a permit based on the viewpoint of the demonstrators. Period."

Two people are dead and one was injured after a stabbing on a train in Portland, Ore., on Friday afternoon.

Florida House Speaker Richard Corcoran recently told a Miami television show there’s a “tremendous potential likelihood” some refugees from the Middle East living in Florida are terrorists.

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