was 18 years old when she and her boyfriend tortured and killed a classmate, Colleen Slemmer, in a jealous rage in 1995. Before her failed execution Wednesday, she was set to be the first woman executed in Tennessee in 200 years.

A federal appeals court briefly paused the execution Wednesday and said more time was needed to consider her lawyers' last-ditch appeals, but the Supreme Court allowed the execution to proceed after a nine-hour delay.

The state's Republican governor declined to intervene and allow Pike to serve a life sentence.