U.S.

Charges dropped against Harvard researcher over frog embryo case

Russian-born Kseniia Petrova was jailed in immigration detention after landing at a Boston airport last year.

By Standard Topic. AI-generated from the reporting listed under Coverage. Published . Updated .

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What happened

Criminal charges accusing Russian-born scientist Kseniia Petrova of smuggling frog embryos have been dropped. She had arrived at a Boston airport with embryos meant for cancer research at Harvard Medical School, and her visa was revoked and she was placed in immigration detention. Her attorney said she never posed any danger to anyone.

Why it matters

The dismissal ends the criminal case against Petrova, which began when she arrived at the airport with the embryos.

Coverage

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