looking for shapeshifter fic

[delamna.livejournal.com]

 I'm looking for a specific fic where Sam is kidnapped by shapeshifter(?s).

It's a fairly long fic, but I only remember the first half, which is very graphic:

a. The shapeshifter(s)s are related to the one in "Skin"
b. They kidnapped Sam because they want Dean to feel the same pain they do - revenge for killing their monster brother
c. Sam is tortured, perhaps raped, by the shapeshifter(s)
d. The shapeshifter(s) look like Dean when they're hurting Sam 

There's a lot more post-kidnap-torture-rescue, but I have no idea what any longer. I really wish I had discovered delicious sooner!

Found! <a href="http://assignations.org/spn/falsecomforts.html">False Comforts</a>

Comments

[multicolortwins.livejournal.com]

I'm not sure, but it might possibly be this one
http://www.fanfiction.net/s/3153911/1/The_Bringer

[multicolortwins.livejournal.com]

Or possibly this one.
http://dark-shadow85.livejournal.com/14514.html#cutid1
I actually haven't finished either one, but they sound similar to your request. :)

[galadhfea.livejournal.com]

Been a while but I think I can finally help someone!

I think the story is False Comforts (http://assignations.org/spn/falsecomforts.html#notes) by Maygra.