How Police Unmasked 'Phantom of the Opera' Suspected of 1980 Murder at the Met

The Metropolitan Opera House in New York City is one of the most prestigious cultural institutions in the world. In the early 1980s, it was a beacon of elegance standing tall in a city overrun by crime and chaos. But one terrible summer night, that crime and chaos found its way inside the Met. A violinist named Helen Hagnes Mintiks went missing during a performance and was found murdered in an air shaft in the building the next day. InsideEdition.com's Sal Bono has more.