Militants in Pakistan claim to have killed 15 security force members they kidnapped last month.
Pakistan Taliban spokesman Ahsanullah Ahsan said Thursday the men had been shot and their bodies dumped in the North Waziristan tribal region close to the Afghan border.
The Pakistani army said it was investigating the claim.
The men were members of the Constabulary Corp, a paramilitary outfit active in the border region with Afghanistan.
The insurgents kidnapped the men on Dec. 22 during an attack on a Pakistani security base in the border region.