He was captured in Turkey 's Hatay province and flown to Istanbul , authorities said . ` I must have hit her on the head with a heavy object , '' he said , adding that he was under the influence of an `` extreme amount '' of paint thinner . He appears to have fled to neighboring Iran in an attempt to escape Turkish authorities . The body of Maria Sierra , a tourist who went missing in January , was found last month . The mother from Staten Island , New York , was found slain near the old city walls of Istanbul .
He was captured in Turkey 's Hatay province and flown to Istanbul , authorities said . He appears to have fled to neighboring Iran in an attempt to escape Turkish authorities . The body of Maria Sierra , a tourist who went missing in January , was found last month . The mother from Staten Island , New York , was found slain near the old city walls of Istanbul .