Peyton made her third appearance on SVU (s18 e16) “The Newsroom” on April 26.
https://www.youtube.com/watch?v=zwjvORgoYYc
Warning: the show contains the subject of rape and other sensitive issues.
She has also been featured in s2 e9 “Pixies” (2001), s4 e25 “Soulless” (2003).
The screen caps from these episodes can be found in the gallery.