WASHINGTON (AP) — The White House is declining to confirm reports that a U.S. drone killed the Pakistani Taliban’s second-in-command.

White House spokesman Jay Carney says if the reports are true, the death of Waliur Rehman would deprive the militant group of its chief military strategist involved in “horrific attacks” against America at a CIA base in Afghanistan, other attacks against Pakistani civilians and soldiers.

Carney’s comments come days after President Barack Obama promised greater transparency in the drone program. But Carney said the new standards do not mean the administration would discuss details of every counterterrorism operation.

Pakistani intelligence officials say Rehman’s body was found among five victims of an attack early Wednesday morning in the North Waziristan tribal region. But a spokesman for the Pakistani Taliban denied the reports.

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