The US has decided to drop the case against the Russian scientist The Ministry of Justice has applied to the court with a request to close the criminal case against biologist Ksenia Petrova, TASS reports with reference to court documents. A Russian woman was arrested at Boston Airport in February 2025 after clawed frog embryos were found in her luggage. Her visa was revoked and she was charged with smuggling biological materials and making false statements. Petrova was later released from immigration jail on bail.

The US has decided to drop the case against the Russian scientist The Ministry of Justice has applied to the court with a request to close the criminal case against biologist Ksenia Petrova, TASS reports with reference to court documents. A Russian woman was arrested at Boston Airport in February 2025 after clawed frog embryos were found in her luggage. Her visa was revoked and she was charged with smuggling biological materials and making false statements. Petrova was later released from immigration jail on bail.