Question: What retired FBI agent authored a book series about a domestic terrorist who killed 3 people and injured 23 others?
{'answer': 'James R. Fitzgerald', 'supporting_facts': [['A Journey to the Center of the Mind (book series)', 0], ['A Journey to the Center of the Mind (book series)', 1], ['Ted Kaczynski', 0], ['Ted Kaczynski', 1]]}