CHAPTER 3St. Paul Campus 7:45 A.M., March 16 Graduate students and veterinary students were a cross-section of bright men and women, most in their mid-twenties. Some were mature and responsible, others not so much. Paul had posted a sign in his lab once, announcing that since no one’s mother worked in the lab, the students should clean up after themselves. The email he’d just received from the dean suggested he might have to resurrect the sign. Paul spotted Jason coming into the Vet Sciences building and beckoned to him to enter his office. He put his glasses on and reread the email as Jason entered. “Do you know anything about blood spilled in the hallways and elevator yesterday or last night?” “No,” Jason said. He hadn’t collected any blood yesterday, and he didn’t know of anyone who

