The main suspect in the killing of a Mexican education student last week has turned himself in, saying he fled the scene "out of fear" and that he and his family had been threatened.
Sergio Gutiérrez was driving a car for Chinese ride-hailing app DiDi last Monday night when he took a request from 23-year-old Paola Bañuelos, who was leaving a bar in the city of Meixcaly, close to the U.S.-Mexico border. That was the last time she was seen alive.
