Four people have been arrested in connection with the "honor killing" last month of a Kurdish teen that was captured on cellphone video, authorities tell CNN. Two of those arrested are relatives and police are also searching for the victim's cousin. Dua Khalil, 17, was dragged into a crowd in a headlock and stoned to death in Iraq's Nineveh province. The killing was videoed and broadcast around the world -- throwing 'honor killings' into the public eye.
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