
Have some spoilers then.
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Valentine is Fallen and did get Cadens wife killed. Caden confronts him and Jupiter gets shot almost dies (or passes out) Caden almost(just about) goes on a rampage, so you get to see himntransform into.this creature, its sorta from Jupiters perspective so we dont get to see the whole thing that happens after he is shot and passes out. He wakes in a hospital, no one but his dads employee insight, she gives him a new phone. Caden keeps trying to text him to see if he is awake yet. He ginally just hoes to the hospital and thats when they realize his dad tampered with his phone and was trying to get the two to lose contact. There is some other smaller stuff afterward a little more heart to heart stuff and a BJ i believe but this is everything i recall for whats up to date with the Raw and from what i could understand with MTL haha. Also if it wasnt Obvious it does involve the anti esper group on why his wife was killed.

She was targetted because she was a guide so to an extent yes she was a planned casualty. Its been a bit since a read the chapter but I do believe Valentine did not intent Cadens wife to get killed, he was aware of Guides being set up to be killed he didnt realize Cadens wif was going to be one of them the day it happened.
I CANT TAKE IT ANYMORE I WANT THE RAWS OR SPOILERS