That's in addition to at least four weapons recovered at the synagogue.
A burial traditionally takes place quickly in Judaism, ideally within a day or two, followed by a week of intense mourning.
The Washington Post reported that a social media account attributed to Bowers expressed disdain for members of the Jewish community and immigrants.
Bowers made many anti-Semitic posts online. He also posted slurs against women who had relationships with black men, repeatedly referenced nooses and hangings, and used the N-word almost 20 times.
U.S. President Trump has hammered away at the issue of illegal immigration two weeks ahead of congressional elections.
In February, onedingo posted a meme of a Monopoly Chance card with superimposed images of Trump dragging Hillary Clinton to jail.
He immediately reached out to members of Quebec City's small Jewish community - a group that came to the aid of the local Muslim community when the mosque was attacked. I can't sit by and watch my people get slaughtered. "Screw your optics, I'm going in". It was likely the deadliest attack against the Jewish community in USA history and comes amid rising anti-Semitism in America, according to the Anti-Defamation League.
Following the tragic shooting this morning at Tree of Life Synagogue in Pittsburgh, Pennsylvania, Cardinal Daniel N. DiNardo of Galveston-Houston, President of the U.S. Conference of Catholic Bishops (USCCB) issued a statement calling for prayer and action to put an end to violence.
Myers, the rabbi, said at Sunday's vigil that he was praying with a dozen early worshippers when the gunman appeared at the door.
Trump told reporters the killings might have been prevented if there had been an armed guard. "I went up into the choir loft".
"When I stopped in, I asked [the suspect] how he was doing". Synagogue officials said police would only normally have been present for security on high holidays. After the attack, he told an officer, "I just want to kill Jews", according to a federal affidavit.
Bowers, 46, spoke only to confirm his details, saying 'Yes, I am, ' when asked by Judge Robert Mitchell if he was the defendant in the case.
Tavernier apologises to fans following Rangers cup exit
I don't think anyone played badly but as a team we had a serious lack of quality. 'But what I'll assure everyone is that won't be our last semi-final.
In the months since the attack, Benabdallah said, a new reality has set in at the mosque. Speaking in a clear voice, Bowers said he did.
Some have laid blame for the shooting at the feet of President Trump and his constant stoking of racial division. The president has vilified the caravan and pledged to stop the migrants.
USA media report that he is registered as an unaffiliated voter.
'A guy comes in with a gun and what can they do?
"It's scary right now", he said.
"This is an terrible, very bad period for our Jewish community and especially for the families that have been affected", said Jeffrey Finkelstein, CEO of the Jewish Federation of Greater Pittsburgh. "When will the hate end?"
The White House did not respond to a request for comment about the letter.
Dr. Karl Williams, chief medical examiner for Allegheny County, said three rabbis have worked with his staff to ensure that the bodies are handled properly, but he could not say if the examinations would be completed so they could be released for timely burial required by Jewish custom.
The suspect, Robert Gregory Bowers traded gunfire with police during Saturday's massacre and was shot multiple times.
He was also charged with criminal homicide, aggravated assault and ethnic intimidation. Authorities are calling the attack a hate crime.
Mr Brady also said he planned to seek the death penalty.
Each of the dead, who ranged in age from 54 to 97, were remembered at the vigil with a shrine that included lit candles in individual holders bearing each of their names.