Phone data leads to bomb arrest – Bangkok Post, August 30, 2015
…A police source close to the investigation said the arrest of the foreign man, who is believed to be Turkish, came after investigators spent more than a week sifting through every mobile phone call made within the vicinity of the shrine around the time of the bombing on Aug 17.
He said officers managed to identify three Turkish phone numbers which had activated international roaming services and were in use near the blast site…
Earlier: Thai-language Newspaper Headlines After the Blast
Earlier: Days 1, 2 & 3: Bangkok Bombings
Earlier: Days 4 & 5: Clues Emerge
Earlier: On the Trail of the Bomber
Earlier: Suspects and Theories