Harvard University researcher Kseniia Petrova, 30, smiles next to lawyers after being released on bail from federal custody outside the John Joseph Moakley United States Courthouse, June 12, 2025 ...

Judge orders release of Harvard researcher charged with smuggling frog embryos. Kseniia Petrova, a scientist and Harvard University researcher from Russia, was detained by immigration authorities ...

A federal judge ordered on Thursday that Kseniia Petrova — a Harvard Medical School researcher who was detained by Immigrations and Customs Enforcement in February — be released from criminal ...

A federal judge ordered the release of Kseniia Petrova, the Russian-born Harvard scientist who another federal judge previously said was unjustly detained by customs officials. At a June 12 ...

Harvard University researcher Kseniia Petrova, 30, smiles after being released on bail from federal custody at the John Joseph Moakley United States Courthouse, June 12, 2025, in Boston.

A federal judge in Massachusetts on Thursday ordered Harvard medical researcher Kseniia Petrova released from custody as she faces charges related to the alleged smuggling of frog embryos.

A federal judge ordered the release of Kseniia Petrova, the Russian-born Harvard scientist who another federal judge previously said was unjustly detained by customs officials. At a June 12 ...

A customs official at Boston’s Logan International Airport detained Petrova on Feb. 16 and subsequently revoked her J-1 visa.