Conclusion
The author reminisces about some events in his life and career that led him to be interested in interrogation, and instances in which his skill in asking good questions enabled him to achieve satisfactory outcomes.
He provides a quick rundown of some of the advice for good questioning:
- Question with the curiosity of a two-year-old
- Remember the interrogatives - who, what, when, where, why, and how
- Inquire into four areas: people, places, things, and events
- Cross-check and follow up to validate information