Father: "They had nothing to do this."
Analysis: The Father has knowledge of what "this" the reason is.
Sounds like a drug party that went south for some reason. Looks like the Sherriff needs to round up the usual suspects (local druggies) and put a little heat on them. Maybe one of them will turn.
Yeah, lets start blaming everybody without knowing a damn thing! That always works. Remember when everybody wanted to hang the runaway bride's fiancee?