During the Pervomartovtsi trial in March 1881 , Gelfman refused to admit her guilt .
Gelfman was nevertheless sentenced to death by hanging for Gelfman 's alleged part in the assassination of the Tsar .
During the Pervomartovtsi trial in March 1881 , Gelfman refused to admit her guilt , but she was nevertheless sentenced to death by hanging for her alleged part in the assassination of the Tsar .