Rosalynn's note is a paper note in the Fallout 76 add-on Nuclear Winter.
Location
On Rosalynn Jeffries, inside the Charleston Capitol Building's courthouse.
Transcript
Snagged a pen in case I need to stab the guard, but the movies always made it seem easier. That Responder pig isn't even checking on me anymore so what the hell's the point of me being locked up?! Merry-freaking-Christmas to me I guess...
David, I did this all for you. Sorry I got caught. Didn't mean for it to happen this way. I'll fix this and get out here. In the meantime, don't do anything stupid. I couldn't stand to lose you.
- Rose