PV's behavior is not odd to me, at all.
I was mugged when I was in h.s. When my dad found out, he went into our garage and found the heaviest baseball bat we had and proceeded to canvas the neighborhood for the guy. We didn't know the guy, but, my dad was so consumed with anger that someone would have hurt his baby (me ;-) that he was in a rage.
Thankfully, LE got to the guy before my dad did.
Oh it isn't odd to me I'm more intrigued by why he wasn't able to find her. Like I wonder if the killer knocked her out or took her somewhere or if she was already dead