"Please tell me that synagogue is burning to the ground if not, it's poor preparation," Tristan Morgan reportedly told police when he was arrested.
"If you go after the Jews, we're coming after you," the White House's anti-Semitism envoy said.
The suspect used the screen name "Adolf Hitler (((6 Million)))" while gaming online, according to reports.
"A white nationalist literally terrorized a synagogue during Passover yesterday, and you have yet to say anything," Representative Ilhan Omar said to Senator Ted Cruz.
Fox News abruptly cut off a guest and went to commercial as he suggested Saturday's San Diego-area synagogue shooting and a rise in U.S. anti-Semitism was tied to Trump's election and the president's failure to condemn the 2017 Charlottesville rallies.
"My opinion is the Jews are evil and they get what's coming to them."
The Pittsburgh shooting victims "were all active supporters of pedophilia" who "deserved it," the arrested man said.
In Los Angeles, at least three Orthodox Jewish women say a man has been yanking their modest wigs from their heads.
A barrage of anti-Semitic comments immediately dominated the "free speech" social media website, Gab, just minutes after it came back online with the help of a new domain name registrar.
Robert Bowers pleaded not guilty on Thursday to allegedly murdering 11 people at a Pittsburgh synagogue on Saturday.
"I was really impressed with Congressman Keith Rothfus (far more so than any other local political figure)," the president tweeted.
"I'll talk to a Jew about it. If you're not, shut your yap," the candidate yelled.
"Everybody feels that they were inappropriate," one of the victim's family members said of Donald Trump's comments following the shooting.
Vice President Pence faced a backlash from mainstream Jews after messianic rabbi prayed before Pence's speech in Michigan.
"I'm hearing more and more people say the level of violence on video games is really shaping young people's thoughts," Trump said in March.
Haunted Hoochie said that it had held the "Swastika Saturday" promotion for the last 28 years.
Matt Drudge took to Twitter Monday to ridicule an "Outnumbered" segment in which the hosts "laughed and joked" about the political impact of Cesar Sayoc's mail bombs and Robert Bowers's anti-Semitic Pittsburgh shooting.
Gab, a website frequented by extremists, notified users of its disabled status with a message that lashed out at "mainstream media."
Rabbi Jeffrey Myers said the president of the United States was always welcome.
Americans from all walks of life are answering Shay Khatiri's call to "respond to this hateful act with your act of love."
"The president is obviously a racist, obviously a demagogue, condones anti-Semitism, stokes up nationalist hatred."
Conway also attached blame to "late-night comedians," despite the fact the suspect in Saturday's attack posted specifically about hatred for Jews.
Donald Trump is "an unapologetic defender of the Jewish community," the press secretary claimed.
Rabbi David Lau was asked why Israel's ultra-Orthodox newspapers described the Tree of Life Synagogue as a "Jewish center."
The president's policies were a factor in Saturday's events, Jewish group Bend the Arc: Pittsburgh said.
"He gets up in the morning with new and inventive ways to divide us. And it's not enough that on the day of a tragedy he says the right words, if, every day of the year, he's saying things to bring us into conflict with each other."