Amber Wilson, 35, of Maryland is now facing charges of tampering with physical evidence.
That's after the body of 19-year-old Rosalee Sanchez was found inside the building that used to house the Fulton Fish Market on Saturday.
A person found her body inside the vacant warehouse and called 911.
Austin Boehm, 25, and Christian Mercado, 20, who are believed to be homeless, were both charged with second-degree murder.
The Medical Examiner is trying to determine how she died.
The investigation into Sanchez's death continues.
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