A federal court halted the execution of Christa Gail Pike on Wednesday, less than two hours before it was scheduled to proceed. 

Tennessee was set to execute Christa Gail Pike, now 50, for a murder she committed in 1995, at the age of 18. It would have been the state's first execution of a woman in at least 200 years, the Associated Press reported. 

The U.S. Court of Appeals for the Sixth Circuit issued the order staying the execution "until further order of this court." The order cited new arguments related to Pike's traumatic childhood in which she was a victim of multiple sexual assaults, USA Today reported. 

Pike and her boyfriend, Tadaryl Shipp, were convicted of killing 19-year-old Colleen Slemmer, who was a classmate at a job training facility in Knoxville. The case drew national attention in part because of a pentagram that was carved into Slemmer's body. This was during the "satanic panic" of the 1980s and 1990s. 

Supporters had argued the state should consider Pike's age at the time of Slemmer's killing, as well as her history of mental illness and sexual abuse. The Supreme Court on Tuesday denied a request from Pike's attorneys to halt the execution, and Tennessee Gov. Bill Lee denied Pike clemency on Monday. 

Pike doesn't deny she committed the killing, and Shipp has admitted he carved a pentagram into Slemmer's body. Shipp was 17 when the crime was committed, which made him ineligible for the death penalty. He was sentenced to life in prison without the possibility of parole.