ABC News’ Erielle Reshef and contributor Channa Lloyd break down the trial’s opening statements and what charges the accused gunman is facing.

The trial for the man accused of shooting and killing 11 worshippers at a Pittsburgh synagogue began on Tuesday.

ABC News legal contributor Brian Buckmire and ABC News' Erielle Reshef explain why prosecutors are seeking the death penalty for the man accused of killing 11 worshippers in 2018.

Robert Bowers allegedly stormed the Tree of Life synagogue on Oct. 27, 2018, gunning down 11 people, including a 97-year-old woman, in the deadliest antisemitic attack in American history.

Jury selection has concluded in the trial of a man charged with killing 11 worshippers at a Pittsburgh synagogue in the deadliest antisemitic attack in U.S. history

The first week of jury selection has wrapped up in the federal trial of the man charged with killing 11 worshipers at a Pittsburgh synagogue in 2018

Jury selection begins Monday for the federal death penalty trial of a man accused of shooting and killing 11 worshippers at the Tree of Life synagogue.

Jury selection is set to begin Monday for the federal death penalty trial of a man accused of shooting and killing 11 worshippers at the Tree of Life synagogue.

The Pennsylvania man charged with killing 11 people at a Pittsburgh synagogue tried for years to avoid a federal jury trial

On Oct. 27, 2018, 11 worshippers, including a 97-year-old woman, were gunned down inside the Tree of Life synagogue in Pittsburgh's Squirrel Hill neighborhood.

Eleven Jews were killed at Pittsburgh's Tree of Life synagogue on Oct. 27, 2018.

The anniversary of the deadliest attack on Jews in the United States history is approaching but a new report highlights that a threat still remains.

The Justice Department has filed its intent to seek the death penalty for Robert Bowers, who is accused of killing 11 people in the Tree of Life synagogue shooting.

Eleven Jews were gunned down at Pittsburgh's Tree of Life synagogue in 2018.

New hate crime charges filed against Pittsburgh synagogue shooting suspect

Fred Rogers real-life home was only blocks away from the tragic synagogue shooting in the neighborly community in Pittsburgh.

Robert Bowers was arrested in connection with the Tree of Life shooting.

Damon Joseph had been unknowingly communicating with an undercover FBI agent.

Nurse Ari Mahler wrote that he wanted Robert Bowers "to feel compassion."

Rose Mallinger, 97, was among the 11 worshippers gunned down Saturday in a Pittsburgh synagogue.

Rose Mallinger, 97, was among the 11 worshippers gunned down Saturday.

Residents said they were attending vigils to show support for the Jewish community, the people of Squirrel Hill and Pittsburgh itself.

Suspect Robert Bowers, 46, was charged in a 44-count indictment that includes federal hate crimes.

Suspect Robert Bowers, 46, was charged in a 44-count indictment that includes federal hate crimes.

Suspect Robert Bowers, 46, is in custody after the weekend rampage.

Robert Bowers, 46, is accused of killing 11 during synagogue services.

Hundreds of protesters greeted President Trump when he visiting the Tree of Life Synagogue.

Trump was joined by the first lady, Ivanka Trump and Jared Kushner on the visit.

Thousands of people marched toward the Tree of Life synagogue, where President Trump and family members met with Rabbi Jeffrey Myers, who escaped the gunfire that killed 11.

More than 1,000 people gathered near the Tree of Life synagogue in Pittsburgh to protest President Trump's visit. ABC News' Lana Zak reports.

Nearby, more than 1,000 protesters carried signs saying "Words Matter" and "Stop Encouraging Hate."

President Trump and Melania Trump were joined by Jared Kushner and Ivana Trump.

Jerry Rabinowitz, a doctor, was in another room of the temple when gunshots rang out. He died in the massacre.

“Negative rhetoric against the Jewish community is poison"

Fred Rogers lived on a street a few blocks from the Tree of Life synagogue.

Audrey Glickman was leading an early morning service inside Pittsburgh's Tree of Life synagogue when gunfire broke out Saturday.

Audrey Glickman recalled the terrifying Saturday shooting that killed 11.

On the campaign trail, former Vice President Joe Biden criticizes President Trump's response to the Pittsburgh shooting, saying, "Words from our leaders matter."

Rabbi of Pittsburgh synagogue says it was an "attack on America."

The suspect, Robert Bowers, had amassed 10 guns, all legally purchased, and brought four of them to Pittsburgh's Tree of Life synagogue, according to authorities.

Some Jewish leaders say he's not welcome. ABC News' Kendis Gibson reports.

Accused gunman Robert Bowers appeared in federal court Monday as prosecutors seek the death penalty. ABC News' Elizabeth Hagedorn reports.

While this community grieves for the innocent lives lost, neighbors of all ages and creeds are coming together to support one another.

Among the eleven worshipers who lost their lives at the brutal shooting at a Pittsburgh synagogue Saturday were two brothers and a husband and wife who were married at the same synagogue in 1956.

Rabbi Jeffrey Myers of the Tree of Life synagogue said he quickly tried to evacuate some people who were toward the front of the sanctuary.

The White House said the president didn't see a need to tone down his rhetoric as he blamed the media for causing anger in the U.S.

The FBI is trying to rule out accomplices and searching for motives in the attack besides Robert Bowers apparent hatred of the Jewish community.

Robert Bowers, accused of the massacre, was wounded in gunfight with police.

Pittsburgh mourns the loss of community members as Trump makes plans to visit city's Jewish leaders.

"I'm hearing people screaming and it's seared in my brain," Jeffrey Myers said.