Pro-Taliban tribal militants killed two more "spies" on Wednesday in South and North Waziristan, raising the tally to four over the last week. Sources in Mir Ali and Wana told Daily Times that a dead body was found in Sheera Talla, 30 kilometres north of Mir Ali, with a note: "Spies will meet the same fate." The deceased was a resident of a nearby village in Mir Ali sub-division. Another body was recovered from Shah Alam in South Waziristan. The body, identified as that of Ismail, a national of Afghanistan and Pakistan, was handcuffed and had bullet wounds. "This man was suspected of visiting the US military base across the border," sources told Daily Times.Muhammad Niaz Khattak, a Frontier Corps (FC) trooper, returned to his base in Miranshah after fleeing his captors, official sources said. Khattak was kidnapped along with four other paramilitary soldiers from Razmak on April 13.