The tape can be found in the Nuka-Town backstage, on a small table with a lit lantern in the northwestern corner of the main hall.
Raider Man: chems. Didn't mean to kill 'em. But when it's three to one, you got to go hard. They're starting to smell. Get a crew, a couple hacksaws and some shovels. Meet me back there tonight. And for fuck sakes, erase this tape.Now I got three dead Ops in that dumpster -- the one where we stashed those
Behind the scenes
The subtitles for this holotape attribute the speaker as "Raider Man," though the voice is that of a woman.