Federal agencies Animal stories Russia See all topics Facebook Tweet Email Link Link Copied! Follow A US district court judge in Vermont ruled that Kseniia Petrova , the Harvard Medical School researcher from Russia accused of smuggling frog embryos, could be released from ICE custody on bail. The researcher remains in custody until a bail hearing on criminal charges, expected next week. Petrova , 30, was arrested at Boston Logan International Airport on February 16 and detained by US