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A German town built a granary atop its Jewish cemetery. Now the bones are yielding insights about Ashkenazi DNA.
BERLIN (JTA) – The city of Erfurt in central Germany is home to an impeccably restored medieval synagogue made possible because local Jews had been expelled long before the Nazis began their campaign to destroy Jewish sites.
Now, Erfurt’s long-hidden Jewish past is again offering new insights — this time about the genetic history of Ashkenazi Jews.
Human remains from a medieval Jewish cemetery in Erfurt have allowed what researchers say is the largest ancient Jewish DNA study to date. Conducted without disinterring any remains, in keeping with Jewish law, the study published Wednesday in the scientific journal Cell found that Erfurt’s medieval Jewish community was more genetically diverse than their modern-day cousins, and carried many of the same Jewish genetic diseases — such as Tay Sachs and cystic fibrosis — that affect Ashkenazi Jews today.
“There have been many previous DNA studies, but not of Jews,” said geneticist Shai Carmi, a professor at the Hebrew University of Jerusalem, whose search for study material led him to an archaeological dig at the Jewish cemetery in Erfurt. He and his collaborators were able to analyze DNA of 33 individuals who died between 1270 and 1400, using teeth they found there.
The study follows a similar analysis revealed in August by researchers in England, who studied the DNA from skeletons found at the bottom of a medieval well and concluded that the remains were likely of victims of an antisemitic massacre in 1190. Analysis of six individuals prior to their identification as Jewish revealed that Ashkenazi Jews developed a unique genetic variation centuries earlier than realized.
The Erfurt analysis also includes samples from before the epidemic of Black Death that was until recently understood to have created the genetic “bottleneck” that created the genetic markers common among Ashkenazi Jews today.
Erfurt’s Jewish settlement existed from the 11th to 15th century, with a brief gap following a 1349 massacre perpetrated after the Jews were falsely blamed for causing the bubonic plague. Surviving Jews returned there, but after all Jews were expelled once and for all in 1454, the city built a granary on top of the Jewish cemetery.
Karin Sczech participates in the excavation at the medieval Jewish cemetery of Erfurt. (Courtesy of TLDA Ronny Krause)
In 2013, the city approved the repurposing of the unused granary into a parking lot. Because it was an historic site, a rescue excavation was initiated, overseen for the State of Thuringia by German archaeologist Karin Sczech.
Meanwhile, Carmi had been looking for Jewish cemeteries anywhere in the world “where we could analyze remains already excavated,” he told JTA in a telephone interview from Jerusalem. “I consulted historians and eventually reached the archeologist in Erfurt.” Fortunately, he said, “they still hadn’t reburied the remains.”
He approached Sczech, who later became a co-author of the new study. In 2018, with a supportive judgment from Rabbi Ze’ev Litke — an Israeli expert on genetics and Jewish law — and permission from Erfurt’s then-rabbi, Benjamin Kochan, work began to extract and analyze DNA from detached teeth found in the graves. (About 500 Jews live in Erfurt today, most of them having migrated from the former Soviet Union since 1990.)
American geneticist David Reich picked up the teeth and brought them back to the department of human evolutionary biology at Harvard University in Cambridge, Massachusetts, where drilling and DNA extraction took place.
While the skeletons were reburied, the teeth are still stored at the research institutes where they have been analyzed, in case scientists need to retest to verify the result.
The project provides an ethical basis for studies of ancient Jewish DNA, Carmi said. “Of course we couldn’t just go to a cemetery and dig and take out skeletons; this would be prohibited,” he said, referring to Jewish law prohibiting the removal of bones from where someone was buried.
But Litke opined that the study could be done, because the bones already had been disturbed for an unrelated reason. “He recommended using teeth, as the analysis does almost no damage,” Carmi said.
There are many motivations to study Jewish DNA: One can find lost relatives going back a few generations, and answer questions about Jewish origin of partners intending to marry. But the goal of Carmi’s team was “to fill the gaps in our understanding of Ashkenazi Jewish early history.”
There are several non-destructive ways to obtain DNA from human remains, said Carmi, who also works as a consultant to an Israeli firm that helps clients trace their genetic roots.
“You can take an almost microscopic slice of bone and extract DNA in a solution, or put the entire bone in a solution and extract the DNA without drilling, without disturbing the dead. This opens the way to doing studies even without teeth,” he added.
His team found that the Erfurt community appeared to fit into two genetically distinct groups, descending either from Middle Eastern or European populations. This genetic variability no longer exists, Carmi said.
At the same time, Carmi said, the analysis found remarkable continuity in the local community, as well. “One third of the Erfurt individuals descended from one woman through their maternal lines,” he said, adding that evidence suggested that she lived between 1,000 and 2,000 years ago.
In a press statement, geneticist Reich of Harvard said the work “also provides a template for how a co-analysis of modern and ancient DNA data can shed light on the past. Studies like this hold great promise not only for understanding Jewish history, but also that of any population.”
The research team, with more than 30 scientists, included Hebrew University’s Shamam Waldman, a doctoral student in Carmi’s group, who performed most of the data analysis.
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Minnesota man charged with ISIS-inspired plot on Jewish-owned Mall of America
(JTA) — The FBI accused an 18-year-old man of buying an AK-47 assault rifle with plans to commit a mass shooting in support of ISIS at the Mall of America in Bloomington, Minnesota, the largest indoor shopping mall in North America.
Sheikhdoon Abdullahi Mohamud, of Richfield, Minnesota, was charged on Wednesday with one count of knowingly receiving a firearm and ammunition in order to commit a federal crime of terrorism, according to a federal complaint filed on Wednesday.
Mohamud’s attorney did not respond to JTA’s request for comment.
Mohamud wanted to attack the Mall of America because he believed its owners to be Jewish, the FBI said in a statement. He planned to kill between 30 and 60 people, according to messages he exchanged with a confidential source, according to the complaint.
Mall of America is owned and operated by Triple Five Group, controlled by the Ghermezian family, a Canadian family of Iranian Jewish origin.
Messages sent in September 2026 included a video in which Mohamud pledged allegiance to ISIS, the complaint said. He planned his attack for Oct. 24 because he expected a crowd at the Hmong Arts Celebration scheduled for that day.
The complaint said an undercover FBI agent sold an AK-47 rendered inoperable, four 30-round magazines and 200 rounds of ammunition to Mohamud for $600 on Oct. 6. During the sale, Mohamud confirmed his plans to commit a mass shooting. Mohamud was arrested shortly after the sale.
The complaint said Mohamud wanted to commit an attack similar to the 2016 Pulse nightclub shooting in which 49 victims were killed; the Bondi Beach mass-shooting in Sydney last December, during which 15 victims were killed during a Hanukkah celebration; and a New Orleans truck-ramming attack that killed 14 victims in New Orleans on Jan. 1, 2025.
The investigation into Mohamud began around December 2024, when he messaged the confidential source on multiple social media platforms, according to the complaint, detailing his desire to travel to Somalia to join a group that the U.S. has designated a foreign terrorist organization. If travel was not possible due to financial constraints, he said would move forward with an attack in Minnesota.
This article originally appeared on JTA.org.
The post Minnesota man charged with ISIS-inspired plot on Jewish-owned Mall of America appeared first on The Forward.
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Is Israel or Iran a bigger threat to the U.S.? Michigan’s Abdul El-Sayed won’t say
(JTA) — Michigan Democrat Abdul El-Sayed was asked multiple times by a debate moderator on Thursday which country he considers a bigger threat to the U.S.: Iran or Israel.
Each time, he parried.
“That’s a ridiculous hypothetical because here’s what’s happening right now: Our ostensible ally in Israel has lobbied us to go to war with Iran,” said El-Sayed, Michigan’s Democratic nominee for U.S. Senate.
“I don’t consider an ally a country that takes us to wars we don’t need to fight, and I don’t want to be fighting wars we don’t need to fight,” he added, describing both as “kind of dangerous.” Another attempt yielded a similar response, with El-Sayed denouncing “one at risk of attacking us, one getting us into wars we have no business fighting.”
El-Sayed, a former county health official, was responding to a question repeatedly posed by WOOD TV8 political reporter Rick Albin, in a debate against his Republican opponent, former U.S. Rep. Mike Rogers. The two candidates hurled insults at each other during the hourlong discussion, often returning to issues related to Israel and the Middle East.
After making criticism of Israel a top issue in his primary campaign, El-Sayed eked out a victory against U.S. Rep. Haley Stevens in that early August race. Although he has earned the support of many democratic socialists, including Vermont independent Sen. Bernie Sanders, El-Sayed has stated that he is not a member of the Democratic Socialists of America.
Rogers, on the other hand, has the official endorsement of President Donald Trump. However, the candidate has been distancing himself from the president, including by criticizing the trade war with Canada.
Results of a CBS News poll published earlier this week showed El-Sayed leading Rogers, by 45.6% to 41.4%, with a 3.8% margin of error. A Quantus Insights poll released on Wednesday, meanwhile, gave El-Sayed a slightly narrower lead, with 47.6% to Rogers’s 46.5%, and a 7.8% margin of error.
While El-Sayed has been meeting with Jewish voters and leaders, he has not budged on certain issues of concern to many Jewish voters. For example, he has indicated only a willingness to recognize Israel’s identity as a Jewish nation-state if Israelis and Palestinians jointly agree to it..
Liberal Michigan rabbis last month signed a petition from the Zioness Action Fund, a progressive Zionist group, calling upon the Democratic Party to agree to “nonnegotiable” principles related to Jewish safety and Israel. A separate cohort of Michigan Jewish leaders urged community members to reject El-Sayed entirely.
Rogers and his representatives in August indicated that they would like AIPAC to refrain from spending directly on him in the general election, according to media reports. Asked about this at the Thursday debate, he said he’d welcome “anybody that wants to help my campaign stop a guy who can’t condemn terrorism in our own country.”
El-Sayed condemned the March attack on Temple Israel in West Bloomfield Township, but added that “hurt people hurt people,” which critics interpreted as justifying the attacker’s actions. He later apologized for those remarks.
Rogers has repeatedly slammed his opponent for taking funds from donors affiliated with the Council on American-Islamic Relations, the Unity & Justice Fund super PAC and other groups and individuals.
El-Sayed, on the other hand, accused Rogers on Thursday of accepting corporate PAC money and labeled him the “guy who’s going to rubber stamp everything Donald Trump tells him to rubber stamp.”
The two candidates criticized each other’s policies and interrupted each other so often that Albin, the moderator, needed to step in.
“We’ve got dozens of questions we want to get to,” Albin said. “You can’t litigate all of these with 14 different rebuttals.”
Even prior to a pause for ads, Albin announced that the station is going “to take a break from this pleasant conversation.” When they returned, he declared that “in 30 years of doing debates, I’ve never seen it continue during the commercial, but it did.”
The candidates continued to clash over Iran, with El-Sayed accusing the U.S. government of teaching “the Iranian regime that they had a choke [hold] on the Strait of Hormuz.”
“That’s the kind of policy you’re going to get from a guy who wants to be a sock puppet for the Trump administration,” El-Sayed added.
Rogers, meanwhile, claimed that the U.S. had set back Iran’s nuclear program by at least 20 years, adding that “this would be the time to wrap it up.”
As for Israel, Rogers said he supports “the right to exist for the Jewish state, and the right to defend itself in a very difficult neighborhood.” The only way Israel could lose his support, Rogers stated, would be if the country talked about using nuclear weapons.
Israel is widely assessed to possess an arsenal of approximately 90 nuclear warheads, according to the Stockholm International Peace Research Institute. The country is not a party to the Nuclear Non-Proliferation Treaty. Israel has never acknowledged possessing nuclear weapons.
Albin then turned to El-Sayed, noting the politician’s opposition to direct U.S. military funding for Israel. He asked, however, whether that position could change “if Israel were attacked tomorrow by Iran or another state actor.”
“I want our tax dollars spent here,” El-Sayed responded. “Israel has pushed us to go to war in Iran, and of course, my colleague, who thinks there’s a war for everything, went right along with it.”
When Albin pushed again for a yes or no answer, El-Sayed replied that he doesn’t want the U.S. “buying weapons for other countries.”
Toward the end of the discussion related to the Middle East, Rogers recognized the third anniversary of the Oct. 7, 2023, Hamas attack on Israel. He blasted his opponent for failing “to even acknowledge the pain, the terrorism, the rape, the murders.”
To this accusation, El-Sayed responded, “I’ve condemned that. I didn’t turn it into theater like you did.”
This article originally appeared on JTA.org.
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Ossoff says IDF violated law of armed conflict in Gaza, but genocide is an issue for international courts
(JTA) — Democratic Sen. Jon Ossoff and Republican challenger Rep. Mike Collins clashed over Israel’s conduct in Gaza, U.S. weapons sales to Israel and the war in Iran during Thursday’s debate in Georgia’s closely watched Senate race.
The race could help determine control of the Senate, with implications for U.S. policy toward Israel.
The incumbent Ossoff, who is Jewish, has long supported Israel’s security, but over the last two years he has criticized its conduct in the Gaza war and voted to block some U.S. arms sales to the country.
A day after the third anniversary of the Oct. 7 Hamas-led attack, Ossoff was asked whether Israel had committed genocide in Gaza, whether he was concerned about growing anti-Israel sentiment within the Democratic Party and whether he would support a proposed $2.8 billion U.S. weapons package for Israel.
“The question of genocide is a question of whether a government has the specific intent to destroy a national or ethnic group, and that is a question for the International Criminal Court,” Ossoff responded. “There is no doubt in my mind that Israeli forces prosecuting the war in Gaza violated the law of armed conflict and international humanitarian law, and I care deeply about the security of the Israeli people, among whom are members of my family.
“I also care about innocent Palestinian life,” Ossoff continued, “and make no apology for my votes.”
Collins accused Ossoff of having aligned himself with anti-Israel figures including Twitch streamer Hasan Piker and Michigan U.S. Senate candidate Abdul El-Sayed.
“Imagine being a U.S. senator, and out there recruiting, endorsing, and supporting these people that want to see Israel wiped off the map,” Collins said. “They would rather be for Iran than for Israel — now that’s who Jon Ossoff is supporting.”
Piker had previously called Ossoff a possible contender for the 2028 Democratic presidential nomination. He subsequently disavowed Ossoff after the senator condemned antisemitic comments, Jewish Insider reported in August.
During the hourlong debate, Ossoff repeatedly condemned the U.S. war in Iran while highlighting Collins’ support for it. At least three times Ossoff called the war in Iran a “disaster” or “disastrous,” and he blamed the war for rising gas prices in the state of Georgia.
Collins, on the other hand, said he supported the war as necessary to prevent Iran from obtaining nuclear weapons. “The president had every right to go in there and make sure that Iran does not get a nuclear weapon,” Collins said. “The IAEA [International Atomic Energy Agency], they had already sounded the bells, the alarms that Iran was close to getting a nuclear weapon. And the thing is, Iran doesn’t only want to decimate and kill Israel, they want us as well.”
The evening was not without its personal attacks. Collins described Ossoff as “a radical” and a “trust-fund kid who has never had a job in his life,” while Ossoff repeatedly spotlighted the alleged ties between Collins and white nationalists. A recent report alleged that Collins’ former aides were involved with antisemitic and white nationalist rhetoric.
Ossoff leads Collins by about nine percentage points in FiftyPlusOne’s polling average as of Oct. 9.
The candidates are scheduled for a second debate hosted by the Atlanta Press Club on Oct. 13.
This article originally appeared on JTA.org.
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