Tennessee officials were unable to put Christa Gail Pike to death Wednesday for a 1995 murder after administering two doses of a lethal drug. A death penalty expert said it was an unprecedented failure, and Tennessee Gov. Bill Lee halted the one remaining execution for the rest of the year.
Source: https://apnews.com/article/christa-pike-execution-tennessee-f826a60582083b90ac7695ecb16afbdf