Kseniia Petrova, a Harvard scientist who was arrested last month on a federal smuggling charge, has been released from Immigration and Customs Enforcement custody following a detention hearing in Boston Wednesday.
Petrova, a Russian citizen, was taken into federal custody in May after prosecutors in Massachusetts filed a complaint accusing her of smuggling frog embryos into the United States without properly declaring them.
She was released on conditions agreed to by both sides. A probable cause hearing is tentatively set for June 18.
Petrova has been in immigration custody since February, when her visa was revoked at Logan Airport.
Initially held in a Vermont facility, she was transferred to a Louisiana immigration detention center, where she filed a petition arguing her detention was unlawful and that she fears persecution if returned to Russia because she participated in protests against the war in Ukraine. She was moved to federal criminal custody in May after being charged with smuggling.
At the time of her arrest, Petrova was working at a Harvard lab, where she developed computer scripts to analyze images from a microscope that scientists say could transform cancer detection. Her colleagues previously told NBC News she was the only person on the team with the rare combination of skills needed to interpret the data. “That was only her. It was only her,” Leon Peshkin, her mentor and a principal research scientist at Harvard, previously said.
Petrova described being confused and isolated after her arrest, saying she was held in a cell without contact with her lawyer or colleagues. “Nobody knew what was happening to me,” she previously said. “I didn’t have any contact, not to my lawyer, not to Leon, not to anybody.”
In late May, a federal judge in Vermont ordered her release from immigration custody citing concerns about the legal basis for her visa revocation and extended detention. She faces a separate smuggling charge in Massachusetts.
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