NYT > World News Grand Jury Indicts Russian Scientist on Smuggling Charges Par :Ellen Barry 25 juin 2025 à 19:44 Kseniia Petrova, a Harvard researcher, was detained in February after failing to declare scientific samples she was carrying into the country. © Reba Saldanha/ReutersKseniia Petrova, a scientist at Harvard, greeted reporters with her lawyers outside federal court in Boston upon her release from detention this month.