The Screams of Brahmin (holotape)

 is a paper note in Fallout: New Vegas. It can be found on a nightkin you have to kill near the McBride house.

Reference
May be a reference to Silence of the Lambs - screaming Brahmin in pens/"You still wake up sometimes, don't you? You wake up in the dark and hear the screaming of the lambs." - Hannibal Lecter