A murdered Dutch prostitute is haunting Amsterdam’s famed Red Light District from beyond the grave — pleading with passers-by for help finding her killer. Bernadett “Betty” Szabó, 19, was a new mother ...

In Amsterdam's Red Light District, the hologram of a woman sits behind a window. She looks out at passers-by, then appears to knock on the window and breathe on the glass. The glass seemingly fogs up, ...