Silent Treatment is a holotape in Fallout: New Vegas.
Location[]
It is added to the player's Pip-Boy inventory after assuring Captain James Hsu you can make the prisoner, Legion officer Silus, talk.
Transcript[]
The NCR has captured a centurion of Caesar's Legion alive and they have him in custody at Camp McCarran, but he's not talking. Talk to Lieutenant Boyd about getting access to the prisoner.