Capital punishment

Why has Alabama executed a man using nitrogen gas?

Witnesses describe Smith's last moments before death. Video, 00:01:41Witnesses describe Smith's last moments before death

UN condemns Alabama nitrogen gas execution

Alabama carries out first nitrogen gas execution

Smith 'paid his debt tonight' - son of murder victim. Video, 00:00:45Smith 'paid his debt tonight' - son of murder victim

Alabama inmate faces first nitrogen execution in US

5 Questions On. The Future of the Death Penalty in America. Audio, 6 minutes5 Questions On

How nitrogen became a form of execution in the US. Video, 00:01:49How nitrogen became a form of execution in the US

Spiritual adviser counsels man on his day of execution. Video, 00:00:56Spiritual adviser counsels man on his day of execution

How many countries still have the death penalty?

Iran executes protester with mental health condition

US man says wait for nitrogen execution like 'torture'

US seeks death penalty for gunman in racist shooting

The Cambridgeshire Crucifixion. Video, 55 minutesThe Cambridgeshire Crucifixion

Alabama to rule on allowing execution by nitrogen

The race to save Indian nurse on death row in Yemen

Iran secretly executes man over protests - sources

Meeting between Israeli politicians and hostage families erupts. Video, 00:00:39Meeting between Israeli politicians and hostage families erupts

India appeals eight ex-navy death sentences in Qatar

The secret hunt for lethal drugs used in US executions

Three hanged for Iraq bombing that killed 300

Pittsburgh synagogue gunman gets death penalty

Singapore executes first woman in almost 20 years