Oh little kitty, once drawn with a fur coat, fuzzy slippers, ribbon's and bell by Spooks.
It seems like his murderer is still at large. To be fair, I don't think that Keaton would have had any reason to do something like and Keaton usually only does something if it works into or is a threat to her plan.
I'm actually surprised by it all. Obviously the bullet his soul was in was sent by someone that knew about the process. Though I suppose another reason would be to frame Jakob and they knew nothing about the process.