The US has canceled the criminal case against the Russian researcher. The Associated Press reports. In February 2025, the scientist was arrested at the Boston airport after returning from Paris. During a search of her luggage, they found a box of frog embryos with claws. After that, Petrova's visa was revoked, and the researcher herself was sent to an immigration prison in Louisiana. The prosecutor's office accused the Russian woman of concealing information, providing false information and smuggling.

The US has canceled the criminal case against the Russian researcher. The Associated Press reports. In February 2025, the scientist was arrested at the Boston airport after returning from Paris. During a search of her luggage, they found a box of frog embryos with claws. After that, Petrova's visa was revoked, and the researcher herself was sent to an immigration prison in Louisiana. The prosecutor's office accused the Russian woman of concealing information, providing false information and smuggling.