The plumber's apprentice gives all a bad name - wanders off when he's supposed to be learning from the plumber, touches random things including sterilised knives, reads through confidential documents - yet somehow he gets his own carvan?
I'm guessing the dead pathologist (I'm surprised she died in that way, the vomit seemed to be able to come out of her mouth alright) was being led down the same path, and didn't want to admit the true reason she had child parts in case Mears decided to say no more.