Tennessee death row inmate Oscar Smith died by lethal injection Thursday for the 1989 murders of his estranged wife Judith Smith and her teenage sons, Jason and Chad Burnett.

Killer, who spent over 30 years on Tennessee's death row, was executed for the murders of his estranged wife and her two sons.

Executions have resumed in Tennessee after a five-year hiatus. Death row inmate Oscar Franklin Smith, 75, was killed by lethal injection Thursday morning at Riverbend Maximum Security Institution in Nashville.