Joseph Viggiano, a man who lived in Manhattan, was shot and killed inside an office on the 11th floor of the Show World building in Times Square, then dismembered.

The violence did not stop there. Joseph’s father Albert and brother Paul went looking for answers about his disappearance and were reportedly lured to a meeting in Canarsie, Brooklyn, where they were both shot and killed during an encounter with Roy DeMeo. Three members of the same family thus died in connection with this series of events.

What details about Joseph’s last known movements or the Show World building offices might help explain how this horror unfolded, and can anyone with information about the family’s inquiries or those meetings help investigators?