Indiana has carried out its first execution in 15 years by putting to death a man convicted of killing four people decades ago, including his brother and his sister’s fiancé.

Executions have historically been carried out with at least some public scrutiny, from public hangings in the town square to lethal injections in prisons witnessed by journalists.

Indiana officials are set to carry out the state's first execution in 15 years on a man convicted in the 1997 killings of four men, including his brother and his sister’s fiancé.

Indiana officials are preparing to execute the state’s first death row inmate in 15 years.