Bianca Prieto was 23 when she was last seen in Ontario, California, on November 28, 2019. She hasn’t been heard from since that day and her disappearance is classified as a missing person case.

Bianca is described as having brown hair and brown eyes, standing between 5 feet 6 inches and 5 feet 8 inches tall and weighing about 130 pounds. She had distinctive tattoos, though the designs were not publicly detailed. Her case is listed in NamUs and has attracted attention from organizations that investigate cold cases, but there has been little public progress.

If anyone saw Bianca around November 28, 2019, or has information about where she might be, please come forward to the investigating agency.