Christa Pike's execution: What to know about failed capital punishment in US

Christa Pike, a Tennessee woman who was set to be executed on Wednesday, was still alive that night after two syringes of lethal drugs had been administered, according to her lawyers. Pike, who was convicted of the 1995 murder of a classmate, is the only woman on death row in Tennessee. The apparent failure of her capital punishment, which would have made her the first woman to be executed in the state in more than 200 years, came after a lengthy delay earlier in the day. Here’s what to kn