A Chechen extremist masterminded the triple suicide bombing at Istanbul's busiest airport that killed at least 44 people, a U.S. congressman said Friday.
Rep. Michael McCaul, chairman of the House Committee on Homeland Security, told CNN that Akhmed Chatayev directed Tuesday night's attack at Ataturk Airport, one of the world's busiest, which also wounded more than 230.
Turkish and Swedish media have also identified Chatayev as the organizer, although Turkish authorities have not confirmed his involvement. Sabah newspaper, which is close to the government, said police had launched a manhunt to catch him.
McCaul said it is unclear where Chatayev is, but that he is known...