2. What does the FBI find when they push into David Strobekker's apartment?
(a) The killer.
(b) All of these.
(c) A computer hard drive.
(d) The killer's hostage.

3. Who is asleep in Dr. Lenz's waiting room when Harper arrives?
(a) Drewe.
(b) Miles.
(c) David.
(d) Erin.

4. What pact do Harper and Miles make?
(a) All of these.
(b) That neither will say anything about the other.
(c) That they will no longer help the FBI.
(d) That they will find the killer together.

5. What is Harper Cole's profession?
(a) He is a police officer.
(b) He is a systems operator for EROS and trades stocks.
(c) He is the creator of EROS.
(d) He is an accountant and trade stocks.

6. What does Drewe want from their relationship that Harper does not?
(a) Children.
(b) Marriage.
(c) A divorce.
(d) Some time apart.

7. Where has the killer been traced?
(a) Louisiana.
(b) Michigan.
(c) Wyoming.
(d) Illinois.

8. What is the problem with the trace on the killer?
(a) It can only be traced manually.
(b) All of these.
(c) It requires a court order.
(d) It is analog.

9. What does Harper say about the killer's typing as the date of the murder approaches?
(a) It has more typographical errors in it.
(b) It becomes more violent.
(c) It turns into all capital letters.
(d) It becomes shorter and less involved.

10. What story does Harper recall when thinking about the FBI catching the killer?
(a) Hunting with his cousin as a young boy.
(b) Hunting with his brother as a young boy.
(c) Playing detective as a young boy.
(d) Hunting with his father as a young boy.

11. Who does Harper have an illegitimate daughter with?
(a) His online lover, Eleanor Rigby.
(b) His online lover, Eleanor Markham.
(c) His sister-in-law, Erin.
(d) His friend, Margaret.

12. What are the aliases the killer uses?
(a) Prometheus and Titan.
(b) Shiva and Prometheus.
(c) Shiva and Brahma.
(d) Brahma and Titan.

13. Who suggests the killer could be a doctor?
(a) Erin.
(b) Drewe.
(c) Harper.
(d) Miles.

14. What does Harper tell Lenz on the way to the FBI safe house?
(a) He tells him the truth about his relationship with the killer.
(b) He tells him the truth about his relationship with Eleanor.
(c) He tells him the truth about his relationship with Miles.
(d) He tells him the truth about his relationship with Erin.

15. What does Harper learn from the FBI?
(a) The deaths have something to do with the pineal gland.
(b) Karin Wheat's head was taken.
(c) Both of these.
(d) Neither of these.