Who Is This Girl (2021)

When a young woman is murdered in a Downtown LA Loft, two Detectives try to find out how she was killed and who killed her. But to their surprise it wasn't the type of killer they suspected. When Detective Rollings finds lipstick on one of the wine glasses his suspicions go from a male killer to a female killer. He and Detective Lynn then takes the wine glass for evidence testing to figure out who is really involved in the young woman's murder.