The family of a New York woman last seen earlier this month in Turkey is pleading for help, and clinging to hope, as they try to find out what happened to her and bring her home.
Sarai Sierra traveled to Istanbul on January 7 and over the next two weeks chronicled her trip in photos. She last spoke to her family on January 21, the day before she was ticketed to fly back to New York City.
This morning on "Early Start," CNN's Ivan Watson reports on new security footage of Sierra in Istanbul, and what it could mean for the search.
READ MORE: Family seeks help finding New York woman last seen in Istanbul