Boston Police have identified a woman in connection with the investigation of 18-year-old Blanca Lainez's murder Wednesday.

Lainez's body was found the morning of June 15 inside an East Boston garage on Princeton Street. She had suffered undetermined traumatic injuries, officials said. 

On July 10, police arrested Jose Alejandro Hernandez, 16, in connection with the murder. He pleaded not guilty and was ordered held without bail.

Boston Police released photos and video, date-stamped June 14, on Wednesday of a young dark-haired woman walking down a sidewalk.

Police did not immediately say why they were looking for the woman.