Board Thread:False Info and Speculative Discussion/@comment-27941774-20160310210159/@comment-26879545-20160310214817

Actually, thanks to Jester, we do have, even if it is vague, an answer.

This is from another thread:

Jestermonkey4u wrote: The following link contains a Q&A with Jeff in which he answers the Peter blues: http://www.hypable.com/teen-wolf-ep-jeff-davis-does-qa-ahead-of-season-3-episode-9-the-girl-who-knew-too-much/ Here is the actual Q and A:

whatthehale27: Are Peter’s eyes blue because he killed Laura? Or is it something in his past we haven’t seen yet?

Davis: His past. So some time between the flashback shown in Visionary and before the fire, Peter killed an innocent (maybe more).