A freshman commented that Vanessa had once demanded money from him in exchange for overlooking an alcohol violation. Then came a 2nd student, and a 3rd. On the night Vanessa received notice of her hearing, a scream woke the entire floor. She pulled a chewed-up field mouse from under her pillow and flung it onto her expensive cashmere slippers. Her 1st reaction was to look at me. "You put it there." "Do you have proof?" I met her eyes. Security footage showed a slender white shape climbing a drainpipe to the 3rd floor at 1 a.m., then slipping through a transom window that hadn't been fully closed. When Vanessa returned, she stood outside the door, too afraid to enter. "You trained it to get revenge on me!" "It's just a snake," I said. "A snake you nearly starved to death and then inj

