An Iraqi man prays in 2015 for his slain relative, at the site of a mass grave, believed to contain the bodies of Iraqi soldiers killed by Islamic State group militants when they overran Camp Speicher military base, in Tikrit, Iraq. Khalid Mohammed/AP hide caption

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Khalid Mohammed/AP

Family members of Shafqat Hussain, who was convicted and hanged in Pakistan in August for killing a boy in 2004, waited to receive his body outside the central jail in Karachi. Pakistan executed more than 300 people last year. Fareed Khan/AP hide caption

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Fareed Khan/AP

Fewer Countries Are Relying On Death Penalty, But They're Executing More

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People gather opposite Downing Street during a protest against the execution of a young woman in Iran, in October of last year. Amnesty International says that Iran has undergone an "unprecedented spike" in executions in recent months. Graham Mitchell/Barcroft Media/Landov hide caption

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Graham Mitchell/Barcroft Media/Landov

An undated file photo from the Arizona Department of Corrections shows inmate Joseph Rudolph Wood, who was executed Wednesday. After the lethal injection process began, Wood reportedly remained alive for nearly two hours. AP hide caption

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