The hackers identified themselves as an anti-fascist collective by the name Hayalim Almonim - Hebrew for Anonymous Soldiers, in an exclusive statement to The Jerusalem Post,
The FBI has found no evidence of Antifa involvement in the mob, but the idea has taken root in many right-wing circles.
Trump made the remark in a 30-minute-plus phone call Monday morning with House Minority Leader Kevin McCarthy.
Proud Boys founder Gavin McInnes, who said he quit the group in 2018, was spotted in the DC crowd.
A white supremacist group from New Jersey posted more than a dozen anti-Semitic flyers on Staten Island.
US President Donald Trump took to Twitter to condemn Antifa while praising his supporters, including Proud Boys, who fought back.
"I condemn all white supremacists, I condemn the Proud Boys. I don't know much about the Proud Boys but I condemn that," Trump told Fox News.
Multiple senior federal officials, including at the FBI and Department of Homeland Security this month have warned that white supremacist groups pose a rising threat of violence in the United States.
Americans – the free world is watching. It’s your call.
Even after the synagogue dismantled the barriers and rebutted the rumors, the White House amplified the misinformation in a video that it tweeted and then later deleted.