" It was odd how comfortable she was with killing people these days, how satisfying she found it. She became bloodthirsty, which was ironic, all things considered. She'd spent six years under their tutelage, and in all that time they hadn't come close to breaking her down, to turning her into someone who enjoyed her work. But three years on the run from them had changed a lot of things. "

― Stephenie Meyer , The Chemist