The special joint session came a day after the mayor signed into law gun control legislation introduced in the aftermath of the October shooting.
The chairman of the House Committee on Homeland Security had accused the FBI and Department of Justice of “stonewalling” a briefing on the issue.
Mayor Bill Peduto already said he would sign the gun-control and anti-violence bills.
“They wouldn’t do that for me, Judah,” Trump said when the song was over.
Trump invited three World War II D-Day veterans — two of them Jewish — and two Holocaust survivors.
Charles Meyrick shouted out Nazi slogans to protest authoritarianism by the State Colleges and Universities system, he said.
Members of the Emanuel AME Church surrounded the New Light Congregation visitors to share hugs and tears.
The Patriots receiver wore cleats with the words “The Tree of Life” in Hebrew and an Israeli flag to honor the victims in a game last month.
Along the main drag of Squirrel Hill, the shops of Forbes Avenue display a variety of signs along the theme of “Stronger Than Hate.”
The ADL found there were four significant incidents targeting synagogues since the Pittsburgh massacre.