| A | B |
| interviewee | The person who is being interviewed. |
| open-ended question | A question that elicits a long narrative response. |
| hypothetical question | A question based on fiction. |
| eyewitness | A witness who testifies about an event that he or she observed or has experienced firsthand. |
| witness statement | The written record of statements made by witnesses. |
| evidence | Anything that is used to prove the existence or nonexistence of a fact. |
| circumstantial evidence | indirect evidence |
| hearsay | Testimony about what another person said. |
| authentication | Establishing the genuineness of an item entered into evidence. |
| active listening | The act of listening attentively. |