[Deep breath. Time to tell Scott the worst thing ever. This should be fine.]

While we were meeting with the Salvatores and the other local supernaturals, I asked Derek and Stiles to keep watch outside. Monroe's people found is, they beat up Stiles and took Derek. We were trying to get Stiles to the hospital when we were attacked on the road and got into an accident.

[She swallows hard, because she doesn't really know how to say it.]

One of the vampires gave him some of her blood, but we were pinned down and ... he died, Scott. I'm so sorry.