The 47 year-old mother of three was sentenced to death for masterminding the February 7, 1997 murder of her husband Douglas in Gwinnett County. Her boyfriend, Gregory Owen, who killed her husband, testified against her in exchange for a deal that spared his life.
Gissendaner, has had two previous scheduled executions postponed in February due to a winter storm, and in March, when authorities found a cloudy appearance in the drug that was supposed to be used for the lethal injection.
Before Gissendaner was executed, she apologized for her action and sang "Amazing Grace."