Christa Pike survived 2 doses of an execution drug. How is that possible?

Christa Pike survived two doses of execution drugs in Tennessee, regaining consciousness and speaking a week after the procedure. This unexpected survival has raised significant questions regarding how she endured the process. Consequently, lawyers representing Christa Pike are now demanding access to the syringes and drug residue used during the botched execution to investigate the failure. The incident has left officials and legal teams questioning the circumstances that allowed her to survive the lethal injection.